Bell Racing Helmets
Bell XD7 ULTRA Carbon Fiber Helmet FIA8859-2024/Snell SA2025
$1,499.95
Bell XD7 Ultra Carbon Racing Helmet
Dual certification with advanced carbon construction
The Bell XD7 ULTRA Carbon FIA 8859-2024/Snell SA2025 is a brand-new professional-level helmet engineered for drivers who demand uncompromising safety, lightweight strength, and advanced comfort. Certified to both the FIA 8859-2024 and Snell SA2025 standards, it’s built for everything from pro-level competition to track days where cutting-edge gear makes the difference.
Bell XD7 ULTRA Helmet Key Features
Ultra-lightweight carbon fiber shell built using Bell’s high-pressure molding process
Dual homologation: FIA 8859-2024 and Snell SA2025 for maximum acceptance worldwide
Equipped with Bell Racing SmartLock Mechanism
Refined aerodynamic shape reduces lift and drag at high speed
14-channel ventilation system delivers superior airflow and cooling
Pre-installed HANS anchors and hydration/communication system compatibility
SE07 DSAF anti-fog visor included for clear visibility in all conditions
Interior optimized for noise reduction and long-duration comfort
Bell XD7 ULTRA Helmet FAQs
What makes the Bell XD7 ULTRA Carbon unique? The XD7 ULTRA combines a carbon shell with dual FIA and Snell certification, making it versatile for international racing series and domestic events.
Is this helmet legal for FIA-sanctioned racing? Yes, the FIA 8859-2024 approval ensures it’s eligible for many international racing categories, while the SA2025 certification covers U.S. competition.
Can I use hydration and radio systems with the XD7 ULTRA? Absolutely. The helmet is designed for seamless integration of hydration tubes and radio communication equipment.
How does it compare to the Bell RS7 Carbon? The XD7 ULTRA is positioned as a next-generation carbon helmet with updated FIA certification, offering broader acceptance for pro-level competition.
Bell XD7 ULTRA Carbon Fiber Helmet Sizing Chart
Step up to the Bell XD7 ULTRA Carbon FIA 8859-2024/Snell SA2025 and race with a helmet that meets the highest safety standards while keeping weight to a minimum.
Alpinestars
Alpinestars Hypertech v2 Driver Race Suit
from $1,499.66
$2,199.95
Alpinestars Hypertech v2 Driver Racing Suit
The Top-Of-The-Line FIA 8856-2018 Driver Racing Suit
Alpinestars Hypertech v2 Driver Racing Suit
The Alpinestars Hypertech v2 Driver Racing Suit is a top-of-the-line professional racing suit engineered for drivers who demand exceptional protection, minimal weight, and unrestricted movement inside the cockpit. Its athletic fit and advanced two-layer construction deliver premium comfort while meeting the demanding FIA 8856-2018 homologation standard.
Weighing only 265 g/m², the Hypertech v2 combines an anti-static aramidic Nomex outer shell with an innovative aramidic knit lining. This lightweight material system provides excellent heat and flame resistance while maintaining the breathability needed for demanding sprint races, endurance events, and professional competition.
Formula 1-derived stretch panels are strategically positioned at the elbows, lower back, sides, crotch, and knees. These lightweight panels improve flexibility, reduce material resistance, and allow the suit to follow the driver’s movements when entering the car, operating the controls, and remaining seated for extended periods.
Super-Lightweight Two-Layer Construction
The Hypertech v2 uses a lightweight two-layer design developed to reduce unnecessary bulk without compromising FIA-certified protection. Its 265 g/m² construction provides a soft, premium feel while helping regulate body temperature during demanding racing conditions.
Anti-Static Aramidic Nomex Outer Shell
The outer shell is constructed from an anti-static aramidic Nomex material that provides excellent heat and flame resistance. The lightweight fabric maintains the flexibility required for a close athletic fit while providing dependable protection for competitive auto racing.
Innovative Breathable Inner Lining
An advanced aramidic knit lining provides a soft and comfortable interior while meeting FIA 8856-2018 requirements. Its breathable construction helps manage heat and moisture during long racing sessions.
Formula 1-Derived Stretch Panels
Super-light stretch panels are located at the elbows, lower back, sides, crotch, and knees. Their strategic placement improves mobility and allows the driver to move naturally without excessive pulling or restriction from the suit.
Fully Floating Arm Construction
Alpinestars’ fully floating arm design incorporates stretchable knit material around the shoulders and arms. This construction reduces resistance while steering and allows the driver to maintain a comfortable driving position.
Athletic Performance Fit
The Hypertech v2 features a contoured athletic fit designed for professional-level performance. Its pre-shaped construction follows the driver’s body closely while the stretch panels provide the flexibility needed for unrestricted cockpit movement.
Flat Seam Construction
Flat seams reduce bulky pressure points between the driver, seat, harnesses, and cockpit. This low-profile stitching also improves comfort and helps maintain strength throughout the suit.
Lightweight Wrist and Ankle Cuffs
Soft, thin wrist and ankle cuffs provide a secure fit without adding unnecessary weight or bulk. Their flexible construction remains comfortable beneath racing gloves and shoes.
Premium Lightweight Zipper
A thin YKK zipper helps reduce overall weight while providing smooth and dependable operation. The double-slider design offers greater versatility, and the personalized Alpinestars leather pull makes the zipper easier to operate.
Driver Extraction Shoulder Epaulettes
Alpinestars’ exclusive shoulder epaulettes provide clearly defined extraction points that can assist safety personnel with removing the driver from the vehicle following an incident.
Alpinestars Hypertech v2 Racing Suit Features
Top-of-the-line professional driver racing suit
FIA 8856-2018 homologated
Super-lightweight two-layer construction
Approximately 265 g/m² material weight
Athletic performance fit
Anti-static aramidic Nomex outer shell
Innovative breathable aramidic knit lining
Excellent heat and flame resistance
Formula 1-derived stretch panels
Stretch panels at the elbows, lower back, sides, crotch, and knees
Fully floating arm construction
Stretchable knit fabric for reduced resistance
Soft and thin wrist and ankle cuffs
Flat seam construction
Soft collar with leather and knit details
Secure hook-and-loop collar closure
Exclusive driver extraction shoulder epaulettes
Printed logos for reduced weight and material integrity
Premium lightweight YKK zipper
Double-slider zipper design
Alpinestars leather zipper pull
Protective laundry bag included
Technical Specifications
Product: Alpinestars Hypertech v2 Driver Racing Suit
Manufacturer: Alpinestars
Construction: Two layer
Material Weight: 265 g/m²
Outer Shell: Anti-static aramidic Nomex material
Inner Lining: Breathable aramidic knit
Fit: Athletic
Stretch Areas: Elbows, lower back, sides, crotch, and knees
Arm Construction: Fully floating
Seams: Flat seam construction
Closure: Lightweight double-slider YKK zipper
Collar: Soft construction with hook-and-loop closure
Cuffs: Lightweight wrist and ankle cuffs
Certification: FIA 8856-2018
Included: Protective laundry bag
Alpinestars Hypertech v2 Driver Racing Suit Sizing Chart
Frequently Asked Questions
Is the Alpinestars Hypertech v2 FIA approved?
Yes. The Alpinestars Hypertech v2 Driver Racing Suit is homologated to the FIA 8856-2018 standard. Drivers should confirm the current equipment requirements for their racing organization, class, and event.
How many layers does the Hypertech v2 racing suit have?
The Hypertech v2 uses an advanced two-layer construction designed to provide professional-level protection while minimizing weight and bulk.
How much does the Hypertech v2 material weigh?
The suit has an ultra-light material weight of approximately 265 g/m².
What is the Alpinestars Hypertech v2 made from?
The outer shell is constructed from anti-static aramidic Nomex material, while the interior uses an innovative breathable aramidic knit lining.
Does the Hypertech v2 provide good mobility?
Yes. Formula 1-derived stretch panels are located at the elbows, lower back, sides, crotch, and knees. The fully floating arm construction also reduces resistance while steering.
What type of fit does the Hypertech v2 have?
The Hypertech v2 has an athletic, performance-oriented fit that follows the shape of the driver’s body while using stretch panels to preserve freedom of movement.
Is the Hypertech v2 suitable for endurance racing?
Yes. Its lightweight construction, breathable lining, flexible stretch panels, and reduced-pressure flat seams make it well suited to endurance racing and long driving sessions.
Why are the logos printed instead of embroidered?
Printed graphics help reduce weight and avoid adding unnecessary stitching or material that could affect the flexibility and integrity of the suit.
What are the shoulder epaulettes used for?
The reinforced shoulder epaulettes provide defined extraction points that can help safety personnel remove the driver from the vehicle following an incident.
Does the racing suit include a storage bag?
Yes. The Hypertech v2 includes a protective laundry bag that helps protect the suit’s technical fibers during storage and transportation.
How should the Alpinestars Hypertech v2 be cleaned?
Always follow the instructions on the suit’s internal care label. Close the zipper and hook-and-loop sections before washing, use a mild approved detergent, and avoid bleach, fabric softener, or excessive heat.
Professional Racing Performance with Minimal Weight
The Alpinestars Hypertech v2 Driver Racing Suit combines FIA 8856-2018 protection with an exceptionally lightweight two-layer construction, breathable technical materials, and Formula 1-derived stretch technology. Its athletic fit, floating arms, flat seams, and strategically placed flexibility panels make it an outstanding choice for professional drivers and serious competitors.
OMP Racing
OMP Tecnica Super Light Driver Race Suit
$1,499.00
OMP Tecnica Super Light Race Suit
Featherweight Performance, Maximum Protection
The OMP Tecnica Super Light Race Suit is built for drivers who want lightweight protection, breathable comfort, and a race-ready fit without unnecessary bulk. When every movement matters and every millisecond counts, the Tecnica Super Light keeps you focused, comfortable, and ready to push harder behind the wheel.
Engineered for high-performance drivers, this OMP race suit uses advanced fire-resistant materials, ergonomic stretch panels, and breathable inserts to deliver a lightweight feel without compromising safety. Whether you are competing in endurance racing, sprint racing, or serious track events, the Tecnica Super Light is designed to help you stay cool, comfortable, and confident.
Ultra-Lightweight Fireproof Protection
The OMP Tecnica Super Light Driver Race Suit uses advanced 2-layer inner compound technology with soft knitted fabric quilted to meta-aramid non-woven fabric. This construction provides serious fire-resistant protection while keeping the suit light and comfortable.
The result is a driver suit that feels less bulky than traditional race suits while still meeting the demands of modern motorsport competition.
Ergonomic Race-Ready Fit
Strategically placed bielastic inserts provide flexibility where drivers need it most. These stretch panels help the suit move naturally with the body, giving you a more tailored fit when steering, shifting, braking, and moving in the cockpit.
Pre-curved arms and legs are designed around the natural driving position, helping reduce bunching and improving comfort when seated in a race car.
Stay Cool Under Pressure
Breathable inserts under the arms and at the sides help improve airflow through the suit. This ventilation helps reduce heat buildup during long sessions, hot race weekends, and demanding endurance events.
The Tecnica Super Light is designed to deliver lightweight performance while helping drivers stay cool and focused lap after lap.
Smooth Operator Comfort
Ultraflat, anti-rubbing seams with fishbone outside top stitching help reduce irritation and chafing. This detail is especially important during long stints, endurance racing, and extended time in the car.
Contrast color details on the pockets, inner collar, and suit edges give the Tecnica Super Light a sharp, professional motorsport look.
OMP Tecnica Super Light Race Suit Features
FIA 8856-2018 approved
Lightweight 2-layer inner compound construction
Soft knitted meta-aramid fabric
Fire-resistant driver suit design
Bielastic stretch inserts for improved flexibility
Breathable inserts under the arms and at the sides
Ultraflat anti-rubbing seams
Fishbone outside top stitching
Pre-curved arms and legs for the natural driving position
Ergonomic race-ready fit
Contrast color details on pockets, inner collar, and suit edges
Designed for sprint racing, endurance racing, and track competition
Why Choose The OMP Tecnica Super Light Race Suit?
The OMP Tecnica Super Light Driver Race Suit is a strong choice for racers who want a lightweight FIA-approved suit with serious protection and premium comfort. Its combination of 2-layer fire-resistant construction, stretch inserts, breathable panels, and ultraflat seams makes it ideal for drivers who need comfort and mobility without sacrificing safety.
If you want a race suit that feels light, moves well in the car, and offers professional motorsport protection, the Tecnica Super Light is built for exactly that.
OMP TECNICA SUPER LIGHT SUIT SIZE CHART
Frequently Asked Questions
Q: Is the OMP Tecnica Super Light FIA approved?A: Yes. The OMP Tecnica Super Light Race Suit is FIA 8856-2018 approved.
Q: Is the OMP Tecnica Super Light suitable for endurance racing?A: Yes. The suit is built for comfort, breathability, and extended wear, making it suitable for both sprint racing and endurance racing.
Q: What material is used in the OMP Tecnica Super Light?A: The suit uses lightweight 2-layer inner compound technology with soft knitted fabric quilted to meta-aramid non-woven fabric.
Q: Does the Tecnica Super Light have stretch panels?A: Yes. Bielastic inserts are strategically placed to improve flexibility and driver mobility.
Q: Does this suit help keep drivers cool?A: Yes. Breathable inserts under the arms and at the sides help improve airflow and reduce heat buildup.
Q: Are the arms and legs pre-curved?A: Yes. The suit features pre-curved arms and legs designed for a natural seated driving position.
Q: Can I wash the OMP Tecnica Super Light Race Suit?A: Yes, but always follow OMP’s care instructions to protect the fire-resistant materials and maintain the suit’s performance.
Q: What should I wear under this race suit?A: Fire-resistant undergarments are recommended for added protection, comfort, and proper motorsport safety layering.
AiM Sportline
AiM Sports MXP 1.3 Strada Large Color TFT Dash
from $1,499.00
The Full-Size Color TFT Dash For Road Use
The AiM Sports MXP Strada is a 6" color display with great visual impact, configurable to show lap times and all the info coming from the Engine Control Unit, analog/digital inputs, pre-defined math channels and - optionally - the GPS09 Module.
Integrated LED Shift Light Array
Choose from a host of advanced multicolored RGB shift light patterns that can be customized as you like, and for each unique gear when required.
Input and Output Flexibility
AiM systems acquire data from the ECU of your vehicle.The list of available ECU drivers, constantly updated and upgraded, includes 1,000 + different ECUs, either Stock and Racing; they are sorted by manufacturer/vehicle model: for each ECU you find the proprietary communication protocols, including the standard OBDII ones.
From a hardware point of view, AiM systems manage the following data lines: CAN, RS232 and K-Line.
Analog/digital inputs AiM systems analog inputs are recorded up to 1,000 times per second each. You can connect and monitor all kinds of sensors, like:
Ratiometric potentiometers
Pressure sensors
Thermo-resistors
K-type thermocouples
... and many others, all your custom sensors included.
Freely Configurable Display Pages
You can define all the custom pages you wish, choosing among a wide library of page styles, defining which data to be shown, their end of scale and measure units. Swapping between pages can be managed pushing one or two pushbuttons.
High Contrast Color TFT Display
A high contrast TFT display identifies MXP Strada at the first glance. An ambient light sensor keeps the backlight at optimum brightness levels.
Flexible Alarms and Custom Street Icons
MXP Strada, in its standard version, features five configurable RGB alarm LEDs: you choose the conditions, you choose the colors. Select a solid alarm or flashing one - and the flashing frequency, choose to have an accompanying text message, and set the alarm priorities. Furthermore you can select the street icons you need among the wide list you will find in "Race Studio 3 - Icons Management" and set them up the way you prefer or according with your needs. Any of them is fully configurable and if this shouldn't be enough, you will be able to upload and set up your own customized icons.
AiM MXP Digital Inputs
Speed signals
From the ECU, from the GPS and from the wheel sensors.
RPM
From the ECU or from a digital input connected to a square wave signal (8 to 50 V) or to a low voltage (from 150 to 400 V) of the coil.
Lap signal
Lap and split times are sampled by the GPS or via optical receiver/transmitter.
Camera Inputs Including Rearview Mirror Camera
Two analog camera inputs are available, to swap your display into a mirror camera,through pushbutton command or event management.
Digital Output
MXP Strada features a LOW SIDE type (switch to ground) digital output configurable in order to be activated/deactivated depending on the value of the analog/digital inputs or on impulses coming from the ECU. This permits to automatically run externalsystems, i.e. to switch on/off additional lights, to activate/de-activate a cooling fan or circulation pumps, etc. when a certainevent happens.
Race Studio 3 Analysis Software
MXP 1.3 Strada is configured using your PC and Race Studio 3. You can create, customize, delete, import and export configurations with all channels, ECU drivers, Math Channels, Display Pages, Digital Output, Alarms, Shift Lights and all the expansions you need.
AiM MXP 1.3 Strada Details
9.3" x 5.0" x 1.0" Anodized Aluminum housing
Large 7.0" high-contrast color TFT display
800x480 pixel screen resolution
Weight 2.1 lbs (950g)
Waterproof IP65
AiM MXP 1.3 Strada Kit
MXP 1.3 Strada digital dash
USB cable
14-pin standard wiring
23-pin connector + contacts
Installation CD with Race Studio 3 software
All sensors and modules sold separately.
AiM Sportline
AiM Sports MXS 1.3 Strada Compact Color TFT Dash
$1,499.00
The Compact Color TFT Dash For Road Use
WIDE RANGE OF DATA & DISPLAYS
MXS 1.3 Strada is a beautifully-designed, feature-rich color digital dash display. It is basically the MXS 1.3 without the data logging function. The MXS 1.3 Strada features a compact 5" High Contrast TFT color screen with great visual impact, configurable to show lap times, RPM, and a huge range of info coming from your Engine Control Unit, analog/digital inputs, pre-defined math channels and an optional GPS08 Module. Programmable multicolor shift and alarm LEDs round out an incredibly powerful package. There's even a version with "Street Icon" LEDs instead of the traditional "plain" LEDs!
The MXS 1.3 Strada displays your RPM, selected gear, speed, plus all the data you choose (water temp, oil pressure, trans temp, lap times and much more) in either pre-configured or user-customized pages. Swapping between pages is as easy as pushing buttons. Plus the MXS 1.3 Strada puts a huge amount of control over your car's systems at your fingertips.
INPUT & OUTPUT FLEXIBILITY
Eight fully configurable analog input channels can sample, log, and display a wide range of temperatures, pressures, and potentiometers (throttle position, steering wheel position, etc). Choose between OBDII and CAN/RS232 versions to suit your needs and level of customization. Both receive rich data from your ECU.
An OBDII input connection is an easy, plug-and-play option. A hardwired CAN input allows you to further expand the dash by adding an almost limitless number of AiM CAN Data Hubs (Part No. MC-329, sold separately). These hubs let you connect other inputs such as Lambda Controller (O2), SmartyCam, or even channel expansion hubs, without using any analog channels. A separate CAN output allows you to send messages to your car's existing CAN network, adding to the vehicle system control possibilities!
ALARMS & SHIFT LIGHTS
The ten multicolored RGB shift lights can be customized to define the max RPM for each single gear. The same flexibility applies to the configurable RGB alarm LEDs: you can configure them to turn on/off depending on analog or digital inputs, ECU values, expansion values, math channels or GPS information (with the optional GPS08). You choose conditions, colors, and select a solid alarm or flashing one (including flash frequency). It's also possible to configure an accompanying text message.
DIGITAL OUTPUT
The MXS 1.3 Strada features a low-side (switch to ground) digital output that can be configured to activate/deactivate external systems (switch on/off additional lights, cooling fan relays, fluid circulation pumps, etc.) based on those inputs.
RACE STUDIO 3 INTEGRATION
MXS 1.3 Strada is configured using your PC and Race Studio 3. You can create, customize, delete, import and export configurations with all channels, ECU drivers, Math Channels, Display Pages, Digital Output, Alarms, Shift Lights and all the expansions you need.
AiM MXS 1.3 STRADA TFT DASH DETAILS
Compact 6.7" x 3.8" x 0.9" anodized aluminum housing
5" TFT high-contrast color display
Choose Standard or Street Icon LEDs
Screen resolution 800x480 pixels
Weight 1 lb. (480g)
Waterproof IP65
AiM MXS STRADA KIT
MXS 1.3 Strada digital dash
USB cable
14-pin standard wiring
23-pin Connector + contacts
Installation CD with Race Studio 3 software
All sensors and modules sold separately.
AP Racing Limited
AP Racing 380x32mm Replacement Brake Rotor Rings for Porsche GT3 Cup
$1,498.00
AP Racing J Hook 380x32mm Replacement Brake Rotor Rings
This kit is two replacement rotor discs and associated installation hardware only. Center hat is not included. Replacement discs for AP Racing 380mm Brake Rotors for Porsche
Fits The Following Cars:
Porsche 992 GT3 Cup (Front and Rear)
Porsche 991 GT3 Cup (Front and Rear)
Sold/priced per pair of rotor rings (including hardware).
380x32mm (14.96" x 1.25") 72-vane, D66, J Hook Iron Racing Brake Disc Replacements
AP Racing J Hook Brake Rotors – The Gold Standard in Track Day & Racing Performance
Engineered for professional motorsport, HPDE, and dedicated track day use, AP Racing’s J Hook Brake Rotors deliver uncompromising performance, thermal stability, and consistent braking power. These two-piece, floating rotors are built to handle the extreme demands of road racing, with design features derived from over 50 years of elite competition—including Formula 1, NASCAR, and IMSA.
Unlike conventional one-piece rotors, AP Racing’s two-piece floating design features a billet aluminum hat mated to a cast iron disc via precision-engineered bobbins. This setup allows for controlled radial expansion under high heat, minimizing distortion and coning. The result? More even pad wear, a firmer pedal feel, and longer component life, even during extended lapping sessions or endurance racing. Floating hardware includes anti-knockback spring clips that reduce piston retraction while eliminating common NVH issues like rattling.
Why Choose AP Racing J Hook Rotors? Advanced Cooling, Superior Bite, Unmatched Durability
At the heart of every rotor is AP Racing’s proprietary high-carbon iron alloy, developed to withstand repeated thermal cycling without cracking or warping. Internally, directional vanes—far superior to OEM pillar or straight vane designs—maximize airflow and cooling. With 60 to 84 vanes per rotor, AP Racing achieves faster heat evacuation, reduced brake fade, and a more consistent friction surface. These rotors are left/right-specific for optimal airflow and balance.
The exclusive J Hook slot pattern offers enhanced initial bite and promotes uniform heat distribution across the rotor face, reducing pad deposits and vibration. Unlike drilled rotors or straight-slot competitors, the J Hook design provides cleaner pad transfer during bed-in and superior modulation under braking—ideal for serious drivers who demand feedback and control. Yes, you might hear a little more whirr, but you’ll gain the stopping power, consistency, and longevity your lap times demand.
Premium Components, Affordable Performance
The rotor hats are CNC-machined from 6061-T6 billet aluminum and hard anodized for strength and heat resistance. Scalloped edges under the hat further assist heat dissipation. All hardware is U.S.-made to AP Racing spec, the same quality found on pro-level racing platforms.
And while these rotors are race-proven, they’re also surprisingly cost-effective to replace. Don’t settle for cheap rotors that crack after a weekend—AP’s J Hook rings offer better durability and real long-term value. Fewer replacements mean more track time, less downtime, and peace of mind knowing you're running the best.
Used by Champions. Trusted by Experts.
From endurance racers to HPDE enthusiasts, AP Racing brake rotors are trusted worldwide for their reliability, longevity, and performance under pressure. Whether you're shaving seconds off your lap time or building a dedicated track car, the J Hook delivers a professional-grade solution that won’t let you down.
AP Racing J Hook Brake Rotors for Auto Racing, Track Days & HPDE
Why Rotor Design Matters: Heat Expansion and Floating Technology
As with most metals, iron brake discs expand significantly under heat. When temperatures rise, the disc grows radially—expanding in both diameter and circumference. Traditional one-piece rotors struggle to accommodate this natural expansion. As the outer edge pulls away from the center under heat stress, it creates a condition called “coning”—a distortion that compromises pad-to-rotor contact. This distortion can lead to uneven pad wear, brake tapering, and an inconsistent, long brake pedal.
AP Racing two-piece floating brake rotors are purpose-built to eliminate these issues. Engineered with “float” built into the disc or hat assembly, these rotors feature oblong-shaped mounting holes that allow the hardware to slide as the disc heats up. This flexibility ensures the disc runs true within the caliper under high-temperature loads, effectively reducing distortion, minimizing pad taper and stress cracks, and promoting longer component life.
Custom Mounting Hardware & Anti-Knockback Spring Clips
AP Racing rotors utilize application-specific, U.S.-made mounting hardware—not generic bolts. These premium components are the exact parts used in AP’s professional motorsport products, engineered to withstand the rigors of competitive racing.
To manage lateral disc motion that can push caliper pistons backward (known as knockback), AP Racing integrates anti-knockback spring clips on alternating bobbins—five on a ten-bolt setup, six on a twelve-bolt disc. These clips keep the aluminum hat and iron disc ring properly aligned while still allowing for radial float. Bonus: they eliminate annoying rattles and vibrations, ensuring a quieter, more refined braking experience.
High-Performance Hat Design for Heat Isolation
The disc hats in AP Racing’s two-piece floating rotors are CNC-machined from 6061-T6 billet aluminum and finished with a hard anodized coating. This high-strength aluminum alloy was selected for its ability to maintain structural integrity even at elevated temperatures. AP adds scalloped channels beneath the hat to further encourage airflow and heat evacuation from the outer disc face, minimizing thermal transfer to hubs and wheel bearings—helping reduce maintenance costs on these expensive components.
Internal Vane Engineering: Airflow Optimization & Thermal Stability
AP Racing’s internal vane design sets them apart from OEM and most aftermarket competitors. While many factory brake discs use non-directional pillar vanes (low-cost and NVH-focused), AP Racing rotors use directional vanes engineered for maximum airflow. These rotors are side-specific—meaning you’ll receive a unique left and right disc in each set—ensuring optimized cooling through strategic vane orientation and shape.
Beyond that, AP Racing rotors feature a superior vane count, typically ranging from 60 to 84 vanes, compared to 30–48 in most aftermarket rotors. After extensive CFD and thermal analysis, this high vane count was proven to:
Increase airspeed and thermal transfer
Reduce recirculation and deflection at the disc face
Minimize coning, cracking, and brake fade
Deliver more even pad contact and extended rotor life
J Hook Slot Pattern: Exclusive to AP Racing
Slots and drill holes may improve initial bite, but they also introduce “cool spots” in the rotor face—areas of uneven heating that can lead to stress risers, cracks, and pad vibration. OEM rotors often avoid this by leaving the disc face blank, but that compromises bite and brake feel.
AP Racing’s patented J Hook design, developed through rigorous R&D, solves this problem. The hooks are meticulously spaced around the disc’s circumference and from hat to edge, forming a continuous distortion path that ensures even heat distribution. This encourages uniform pad deposits during bed-in, helps reduce judder and cracking, and improves consistency under repeated high-load braking.
In addition, the J Hook slots provide more leading edges for pads to grip than traditional curved slots or blank rotors. While this might generate a mild whirring sound during braking, the benefits—more bite, cleaner bedding, better pedal feel—make it the top choice for committed racers and serious track day drivers.
Metallurgy Backed by 50+ Years of Motorsport Leadership
AP Racing's reputation is built on performance, and their proprietary iron alloy used in J Hook rotors is no exception. Drawing from over five decades of elite motorsport experience, including 750+ Formula 1 wins and widespread use across NASCAR, AP’s engineers have developed a disc alloy that excels under sustained racing temperatures and stress. Where OEM discs focus on affordability and mass production, AP Racing’s J Hook rotors are purpose-built for motorsport durability and heat resistance.
Affordable Replacement Cost: Serious Value for Serious Drivers
Even the best brake rotors are consumables. When you drive hard—especially at the track—your discs will eventually wear out. That’s why AP Racing designed their replacement iron rings to be cost-effective, allowing you to replace worn parts without breaking the bank.
Compare that to constantly buying cheap $150 rotors every weekend—rotors that can't handle the heat and need to be swapped frequently. With AP Racing’s J Hook rotors, you get longer service intervals, less downtime, and better performance over time, making them an incredibly smart long-term investment.
Proven on Track. Trusted by Champions.
Top-tier racing teams rely on AP Racing J Hook rotors for one reason: they perform under pressure. Whether you're running time trials, attending HPDE events, or competing in wheel-to-wheel racing, these rotors offer professional-grade reliability, safety, and performance.
Bedding and Preparation of AP Racing J Hook Discs
Properly preparing your new brake discs before heavy use is extremely important. The goal of bedding-in your brake pads and discs is to mate them together properly and prepare them for heavy use. When prepared properly, or bed-in, your pads will transfer a thin layer of material to the disc face (transfer layer). The pads in your caliper will then actually ride on that thin layer of pad material you’ve put down on the rotor, rather than rubbing directly on the iron rotor face. A good transfer layer is going to give you superior brake pedal feel, less noise, superior pad wear, and lower the chances of cracking your discs.
Important Notes- PLEASE READ! First, make sure you are on a closed course to perform a proper bed-in. Do NOT perform the procedure on public roads. You need a stretch of asphalt with long straights, good visibility, and no potential obstructions. Make sure you are in a position to safely and repeatedly attain the necessary speeds to perform the bed-in procedure. A controlled racetrack is the best place to perform this procedure. AP Racing and Competition Motorsport in no way suggest or condone speeding on public roads or breaking the law in your car, nor do we take responsibility for any damage or injury that occurs as a result of using our product or these procedures. You are performing the bed-in procedure at your own risk.
During these procedures, it’s critical that you never come to a complete stop with your foot on the brake pedal. If you have brake ducts on your car, you may want to block them off to allow your brake system to heat up easily. The procedure outlined below is a generic procedure for most types of mild race pad. Please check your pad manufacturer’s recommended bed-in procedure.
Accelerate to approximately 60mph and then decelerate down to 5 mph. If your car has ABS, you should try to hold the brakes at a point just before ABS intervention.
Once the car slows to 5mph, immediately accelerate back up to about 60mph, and brake again to roughly 5mph.
Repeat this series of stopping and accelerating 8 to 10 times. Again, do not come to a complete stop with your foot on the brake pedal.
Cool the brake system down by cruising at 45mph+ for 5 to 10 minutes.
Visually inspect your discs. They should be a blue/grey color (instead of shiny silver), and have an even layer of pad material across and around the entire rotor face.
If the AP Racing rotors don’t have a layer of pad material on them, perform another series of stops in the manner outlined above.
Recaro Holding GmbH
Recaro Sportster GT
from $1,495.00
Recaro Sportster GT Seat
Refined Elegance Matched With High Performance
The Recaro Sportster GT seat is based on our racing-inspired Sportster CS model, with unique design features and fabrics that will complement the styling of high-end sports cars and sports sedans. It combines the features of a sports seat and the light-weight shell of a racing seat.
The innovative, reinforced polymer-based backrest provides good comfort along with optimum body support with its pronounced side bolsters and excellent shoulder support. After a long drive, your body is relaxed and you feel refreshed. After all, you have been riding in Recaro seats with comfort and ergonomic qualities reminiscent of the world’s top sport-luxury automobiles.
The Recaro Sportster GT comes in a variety of upholstery finishes and colors, from Recaro's exclusive Nardo cloth to premium vinyl with colored suede insert, to the ultimate leather with carbon weave insert. The Sportster GT can also be had either with or without a sub-strap hole in the bottom seat cushion to accommodate a five-point racing harness.
Recaro Seat Sliders for the Sportster GT can be found here.
RECARO SPORTSTER GT SEAT FEATURES AND ATTRIBUTES
Exclusive, sporty seat design, feel and performance
Recaro’s proprietary integrated lumbar support technology provides superior comfort and support.
Recaro’s proprietary pronounced side support at thigh, thorax and shoulder area to fix the driver’s body in a safe position.
Metal seat base with reinforced polymer backrest.
Can accommodate three-, four, or five-point harnesses (depending on the version).
Shoulder, back and thigh bolsters designed to hold you in a correct seating position for high performance driving
Backrest easily adjustable with a manual dial for millimeter precision
Ultra-thin backrest provides superior ergonomics, unique styling, interior space savings, and lighter weight
Ingenious integrated side-mounts provide easy attachment to other vehicle installation hardware
Flame-retardant materials
RECARO SPORTSTER GT SPECIFICATIONS
Weight: Approximately 15.0 kg / 33.0 lbs.
Max Height: 91.8 cm / 36.2 in.
Materials: High-quality glass fiber-reinforced plastic, with a side of comfort.
Dimensions: Check the product photos, because size does matter.
Made in Germany: Precision engineering at its finest.
RECARO SPORTSTER GT FAQs
Q: Will it fit in my car?
A: With its slim, ergonomic design, it's likely this seat was made for your car. But let's chat specifics to be sure.
Q: Is it comfortable for daily driving?
A: Comfortable and stylish, it's like the luxury sport-sedan of racing seats.
Q: Can I install it myself?
A: If you can handle a wrench, you can handle this. But when in doubt, professional installation is never a bad idea.
RECARO SPORTSTER GT MATERIALS
Recaro Holding GmbH
Recaro Pole Position (ABE) Seat
from $1,495.00
Recaro Pole Position (ABE) Racing Seat
The Ultimate Road Course Pro Seat
The Recaro Pole Position (ABE) is a thoroughbred racing shell licensed for a sporty ride on the open road. The Recaro Pole Position (ABE) is the ultimate track-road crossover seat. With a one-piece shell made of glass-fiber reinforced plastic (GFRP) or carbon fiber (CF) and flawless ergonomics, it's no wonder this seat has a long-standing track record as one of club motorsport’s most popular racing shells. Many exclusive car manufacturers upgrade their top performance models with the Pole Position ABE.
The Recaro Pole Position (ABE) is available trimmed in Black Velour, Ambla Leather/Red Suede, Black Velour, or Full Black Leather (some shell/color combos are not available).
Uses these Recaro side mounts.
The Recaro Pole Position (ABE) is not a certified competition seat. It is not homologated by either SFI or FIA.
Recaro Pole Position (ABE) Seat Details
Recaro proprietary ergonomics: S-shaped backrest with “built-in” lumbar support that protects against spinal compression in high-impact accidents
Highly flame-retardant upholstery (ISO 3795)
Weight: ~15.4 lbs (7.0 kg)
Belt slots for 4-point belt
Also suitable for use with a 3-point belt
Integrated headrest
ABE (German roadworthiness approval) component certification 1
Lumbar support can be padded
Glass fiber reinforced plastic (GFRP) shell has Black Ambla Leather/Red Suede upholstery
Carbon Fiber (CF) shell comes with either Black Velour or Black Leather upholstery
Recaro Pole Position (ABE) Seat Dimensions
1 The German ABE (Allgemeine Betriebserlaubnis) standard is a certification issued by the German Federal Motor Transport Authority (Kraftfahrt-Bundesamt or KBA). This certification indicates that a particular aftermarket automotive part or modification complies with safety and environmental regulations, allowing it to be legally used on vehicles in Germany. The ABE standard ensures that modifications or aftermarket parts meet specific quality, safety, and environmental standards set by the German authorities. It's crucial for ensuring that vehicles remain safe and compliant with regulations even after modifications or the installation of aftermarket parts.
Recaro Holding GmbH
Recaro Pole Position N.G. (FIA) Racing Seat
$1,495.00
Recaro Pole Position N.G. (FIA) Racing Seat
The Recaro Pole Position N.G. (FIA) racing seat provides the best starting position for beginners and professionals alike who are looking to compete for podium places from the front row. The Pole Position's generous array of features and numerous options for personalizing the cushions and seat covers make it a popular favorite in GT, touring cars and club-racing motorsport.
Your Racing Seat Makes a Competitive Difference
For racing drivers, the seat is one of the most important parts of the car. A racing seat with optimal body support during high g-forces, plus great long-term driver comfort equals a competitive edge in driving performance. It’s also a safety device that protects the driver from injury. The Recaro Pole Position N.G. (FIA) gives you both performance and safety. More than 50 years of experience in racing seat technology goes into its design. The Pole Position is amazingly comfortable, providing the best-possible protection with support that holds the driver firmly in the right position to get the job done.
The Recaro Pole Position N.G. (FIA) is available trimmed in Black Velour, Red Jersey/Suede, Black Leather/Grey Suede,Perlonvelours Red / Cloth, or Full Black Leather.
Recaro Pole Position N.G. (FIA) Racing Seat Details
FIA certified and crash tested
Certified for five years' use in FIA-sanctioned races
RECARO proprietary ergonomics: S-shaped backrest with built-in lumbar support that protects against spinal compression in high-impact accidents
Weight: ~16.9 lbs (7.7 kg)
Aggressive thigh and torso bolstering
Long-lasting, high-quality and flame retardant upholstery
High quality durable foam
Screw-mounted panels at belt slots
Replaceable seat and backrest cushions
Suitable for 4-, 5- or 6-point harnesses
Includes FIA-approved Pole Position N.G. (FIA) Steel Side Mount (7223825)
Recaro Pole Position N.G. FIA Racing Seat Dimensions
CMS Performance
CMS Performance Porsche 981/718/982 Cayman/Boxster Harness Bar
$1,495.00
CMS Performance Bolt-In Harness Bar
This Harness Bar Fits The Following Cars:
Porsche Boxster Spyder RS (2023-2025)
Porsche Cayman (2014-2025)
Porsche Cayman S (2014-2025)
Porsche Cayman GTS (2015-2025)
Porsche Cayman GT4 (2016-2022)
Porsche Cayman GT4 RS (2022-2025)
Porsche Boxster (2013-2025)
Porsche Boxster S (2013-2025)
Porsche Boxster GTS (2013-2025)
High Strength Bolt In Harness Bar For Your Porsche
Expertly crafted from high-strength, 1.5" fully TIG welded Docol R8 Advanced High-Strength Steel tubing, the CMS Performance Porsche Harness Bar is the strongest, lightest, and safest bolt-in harness bar on the market for your Porsche. It gives you the perfect attachment for your five- or six-point harness shoulder straps without having to install a full roll bar.
The CMS Performance Porsche 1.5" Harness Bar is designed to place your racing harness shoulder straps at the proper angle (0° to -20°) and distance (eight inches or less) so the driver and passenger racing harnesses function properly. There is no need to cut your Porsche Cayman's carpeted central hump, a design unique to CMS Performance that provides an ideal location for mounting an AiM SmartyCam. The CMS Performance Porsche Harness Bar also gives you full access to the engine cover. It mounts to the frame structure across the passenger compartment bulkhead, directly behind the seats.
Click Here For Installation Instructions
Made In The USA For The Ultimate In Quality And Precision
The CMS Performance Porsche Harness Bar is meticulously designed, fabricated, and fully TIG welded by CMS Performance master fabricators for unsurpassed integrity, fit, and finish. The harness bar comes standard in a smooth satin black powder coat to complement any interior. Or you can choose from any number of custom powder coat colors matched to most factory Porsche paint colors.
To install the CMS Performance Porsche Harness Bar, some modification of your OEM interior trim will be required. CMS Performance offers precision-cut OEM Porsche trim as an option to ease installation and preserve your original interior pieces.
Features:
1.50″ x .120" Docol R8 Advanced High-Strength Steel
No cutting of carpeted center hump preserves expensive OEM carpet
CNC-cut mounting plates
Designed and built in the USA
Allows full seat travel with any seat
Easy to install with perfect fitment guaranteed
Detailed Installation Instructions and all necessary hardware included
BBS of America, Inc.
BBS FS Die-Forged Series Wheels
$1,451.00
BBS FS Die-Forged Line Exclusive Wheels
(Bolt Pattern 5 x 112)
Call and talk to a Competition Motorsport custom wheel specialist at (844) 438-7244. We'll make sure you get the set of wheels you've always wanted at a price no one can beat.
The Die-Forged Series of wheels by BBS offers exceptional weight savings through industry-leading FEA (Finite Element Analysis) without compromising design, strength or build quality. Available in a wide range of sizes, finishes and bolt patterns, the Die-Forged Series offers legendary BBS quality for nearly every application.
WHEEL WEIGHTS
19x8.0: 20.6 lbs.
19x8.5: 20.2 lbs.
19x9.0: 20.5 lbs.
19x9.5: 22.2 lbs.
FEATURES
Bolt Pattern: 5 x 112
One-Piece Die Forged Aluminum Wheel
Weight optimized by FEM analysis
Centerbore: PFS (Precision Fitment System)
While many popular fitments are stocked and ready to ship, some fitments are made to order, increasing lead times. Check with a Competition Motorsport wheels specialist at (844) 438-7244 for a complete quote and estimated lead time.
Some finishes may not be available on all fitments.
Prices and weights are per wheel.
GiroDisc Racing Brakes & Technologies
A2-022DS Girodisc Mercedes 330mm Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes 330mm Rear Rotors (Dimpled & Slotted)
Upgrade your Mercedes’ braking system with Girodisc 330mm dimpled and slotted rear rotors—precision-engineered to enhance bite, cooling, and overall stopping performance. These lightweight, high-performance rotors are a direct OEM replacement that retain factory brake bias and ABS control while reducing unsprung weight for sharper response and improved handling.
Vehicle Fitment
Compatible with the following Mercedes-Benz and AMG models equipped with 330mm rear rotors:• A45 AMG (W176, 2013–2018)• CLA45 AMG (C117, 2013–2019)• A35 AMG (W177, 2018+)• CLA35 AMG (C118, 2018+)• GL-Class (GL320, GL350 – select trims)• ML-Class (ML320, ML350 – select trims)• R-Class (R320, R350 – select trims)Direct OEM replacement – no modifications required. Works with factory calipers and hardware.
Race-Bred Design, Everyday Driveability
The Girodisc system replaces the factory one-piece rotor with a floating two-piece assembly designed for durability and heat efficiency. The rotor hats are CNC-machined from 6061-T6 aircraft-grade aluminum and anodized for corrosion resistance. The cast-iron rings feature Girodisc’s proprietary alloy, cast and machined in-house in the USA. A dimpled and slotted surface pattern promotes consistent pad contact, gas evacuation, and cooling—ideal for high-performance driving while remaining quiet enough for daily use.
Features
• Dimpled and slotted friction surface for enhanced bite and debris removal• Direct OEM replacement – bolts to factory calipers• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings with high thermal stability• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers manage heat expansion and prevent rattles• 48 curved directional vanes increase airflow and heat dissipation• Lightweight construction reduces unsprung and rotational mass• Fully rebuildable – replace only the iron rings when worn• Sold/priced per pair
Girodisc A2-022DS Rear Rotor FAQs:
What’s the benefit of dimpled and slotted rotors? The surface design increases initial pad bite, expels gases and debris, and maintains optimal friction under repeated heavy braking—perfect for spirited driving or track use.
Are these rotors direct-fit replacements? Yes. The A2-022DS bolts directly to the factory hubs and uses the stock calipers and brake lines with no modifications required.
Will they make noise like drilled rotors? No. Girodisc’s dimpled and slotted pattern provides improved performance without the cracking or whistling often associated with cross-drilled rotors.
Can they handle track temperatures? Absolutely. The two-piece floating design and vented construction allow the rotors to expand evenly under extreme heat, maintaining balance and reducing fade lap after lap.
Enhance your Mercedes’ braking confidence and consistency with Girodisc 330mm dimpled and slotted rear rotors—precision-engineered for performance that lasts.
GiroDisc Racing Brakes & Technologies
A2-025DS Girodisc Mercedes CLK63 Black Series Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes CLK63 Black Series Rear Rotors (Dimpled & Slotted)
Bring race-ready stopping power to your Mercedes-Benz CLK63 Black Series with Girodisc’s dimpled and slotted two-piece rear rotors. Designed as a direct OEM replacement, these lightweight rotors reduce unsprung mass, improve heat dissipation, and deliver sharper pedal response for high-performance street or track use.
Vehicle Fitment
Mercedes-Benz CLK63 AMG Black Series (C209)Direct OEM replacement – bolts to factory calipers and hardwareDimpled and slotted design enhances bite and cooling performance
Track-Grade Engineering, Street-Friendly Performance
The Girodisc system replaces the factory rotors with a fully floating two-piece design that enhances cooling and braking control. Each rotor uses a 6061-T6 billet aluminum hat mated to Girodisc’s proprietary cast-iron friction rings, both made in the USA. The dimpled and slotted surface efficiently clears gases and debris, keeping pads fresh and temperatures balanced for consistent braking. This setup maintains factory brake bias and ABS calibration while providing superior performance and longevity.
Features
• Dimpled and slotted surface for improved pad bite and gas evacuation• Direct OEM replacement – no modifications required• 6061-T6 billet aluminum hats, machined and anodized in the USA• Proprietary cast-iron friction rings, cast and machined in-house• Floating mount system with cadmium-plated steel drive pins• Anti-noise spring washers eliminate rattle and manage thermal growth• Reduces unsprung and rotational mass for quicker handling response• Retains OEM brake bias and ABS calibration• Fully rebuildable – replace only friction rings when worn• Sold/priced per pair
Girodisc A2-025DS Rear Rotor FAQs:
What’s the advantage of dimpled and slotted rotors? This surface design improves pad bite, evacuates gases, and helps maintain cleaner pad contact under heavy braking, especially during high-heat operation.
Are these rotors a direct fit for the CLK63 Black Series? Yes. They bolt directly to the factory hubs and work seamlessly with OEM calipers—no adapters or modifications needed.
Do they make noise like drilled rotors? No. The dimpled and slotted pattern provides similar performance benefits without the cracking risks or excess noise associated with cross-drilled designs.
Are they track-ready? Absolutely. Girodisc rotors are engineered for sustained high temperatures, making them ideal for aggressive driving, track sessions, or performance-oriented street use.
Experience the braking precision your CLK63 Black Series deserves with Girodisc rear rotors—lightweight, durable, and designed for AMG-level performance.
GiroDisc Racing Brakes & Technologies
A2-240 Girodisc Rear Iron Rotor Conversion – Mercedes E63 / CLS63 / SLS
$1,450.00
Girodisc Rear Iron Rotor Conversion – Mercedes E63 / CLS63 / SLS
The Girodisc A2-240 Rear Iron Rotor Conversion Kit converts your factory steel rear rotors to a high-performance two-piece floating iron rotor system for Mercedes E63, CLS63, and SLS models. It allows you to upgrade your brake system without replacing OEM hub components—delivering improved thermal management, reduced weight, and far better consistency under track or aggressive use.
Upgrade from Steel to Performance Iron
Mercedes E63, CLS63, and SLS vehicles often come with large, heavy steel rear rotors. The Girodisc A2-240 conversion lets you retain the stock hub assembly but convert to lightweight, high-quality cast-iron friction rings mounted on a 6061-T6 aluminum hat. This floating rotor system improves cooling, allows thermal expansion, and reduces unsprung and rotational mass while maintaining OEM caliper compatibility.
Features
• Conversion kit for Mercedes E63, CLS63, and SLS rear rotors• Converts factory rotor hubs to floating two-piece design• Machined 6061-T6 aluminum hat compatible with OEM hub• Proprietary cast-iron friction rings poured and machined in-house• Floating mount system with alloy steel drive pins and anti-noise spring washers• Cadmium-plated hardware and class 12.9 fasteners included• Reduces weight, improves cooling, and enhances brake response• Rings are replaceable—reuse hats and hardware in future• Sold as a complete kit
Vehicle Fitment
• Mercedes C-class E63 AMG – Rear• Mercedes CLS63 AMG – Rear• Mercedes SLS AMG – Rear• Designed to mate with existing hubs and calipers without modification
Girodisc A2-240 Rear Iron Rotor Conversion FAQs
Will I need new hubs or calipers? No. The A2-240 kit is designed to adapt to OEM hubs and calipers for a seamless conversion.
What advantages does the floating two-piece design offer over stock steel rotors? The floating design allows thermal growth, improves cooling under load, and reduces unsprung and rotational mass, all contributing to better pedal feel and reduced fade.
Are the ring components replaceable? Yes. When the iron rings wear out, you can replace them while reusing the aluminum hats and hardware to lower long-term costs.
Is this kit sold per axle? Yes. The A2-240 conversion comes as a complete rear rotor kit for both sides of the axle.
Will this affect my ABS or brake balance? No. This is a conversion that maintains the original geometry and balance while providing enhanced performance characteristics.
Convert your Mercedes E63, CLS63, or SLS rear braking setup to next-level performance with the Girodisc A2-240 Rear Iron Rotor Conversion. Enjoy reduced weight, improved thermal control, and enhanced braking confidence under load.
GiroDisc Racing Brakes & Technologies
A2-248 Girodisc Rear Rotors for Mercedes E63 / GT53
$1,450.00
Girodisc Rear Rotors – Mercedes E63 / GT53
The Girodisc A2-248 rear rotor set offers a direct-fit upgrade for the Mercedes E63 and GT53 platforms. Combining track-grade engineering with bolt-on simplicity, these two-piece rotors deliver better heat management, consistent brake feel, and reduced rotational weight—while retaining compatibility with OEM calipers and ABS systems.
Purpose-Built for Street and Track Use
Each rotor uses a curved-vane internal geometry to actively draw cooling air through the disc, preventing hotspots under hard braking. The hub is machined from 6061-T6 aluminum while the friction ring is cast from Girodisc’s proprietary iron alloy—machined in-house from start to finish. A floating mount system with drive pins and anti-noise washers allows expansion and self-centering, enhancing consistency and longevity.
Features
• Designed for Mercedes E63 / GT53 rear axle fitment• Two-piece rotor design: lightweight aluminum hub + machined cast-iron ring• Curved-vane internal airflow geometry• Floating mount with alloy steel drive pins and anti-noise washers• Reduced unsprung and rotational mass for sharper response• Repairable design: replace ring, reuse hub and hardware• Sold/priced per pair
Vehicle Fitment
• Mercedes-AMG E63 — rear axle• Mercedes-AMG GT 53 — rear axle• Always confirm rotor diameter, bolt pattern, and caliper clearance before ordering
Girodisc A2-248 Rear Rotors FAQs
Do they bolt to stock calipers? Yes, the A2-248 system is designed for OEM compatibility—no modifications needed.
How does the floating design benefit braking? Float allows the disc to expand and self-center under thermal load, reducing stress and improving pedal consistency.
Are replacement rings available? Yes. When rings wear out, you can replace just the ring while reusing the hub and hardware to save cost.
Is the rotor sold individually or as a pair? The A2-248 kit includes both rear rotors and is sold per pair.
What kind of pads and fluid should I use? To get the most out of these rotors, use a high-temperature brake fluid and performance brake pads; they help manage fade and keep braking consistent over multiple laps.
Choose the Girodisc A2-248 for your Mercedes E63 or GT53 and enjoy advanced braking performance, precision engineering, and long-term serviceability built for the road and track.
GiroDisc Racing Brakes & Technologies
A2-030DS Girodisc Mercedes SL55 / SL63 Rear Rotors (Dimpled & Slotted)
$1,450.00
Girodisc Mercedes SL55 / SL63 Rear Rotors (Dimpled & Slotted)
The Girodisc A2-030DS Rear Rotor Kit is a premium lightweight brake upgrade for Mercedes-Benz SL55 and SL63 models. Featuring a dimpled and slotted rotor face, these 2-piece rotors deliver improved cooling, reduced weight, and superior pedal response under hard braking. Designed as a direct-fit replacement, the Girodisc system bolts directly to your OEM calipers with no modifications required.
High-Performance 2-Piece Design
Each Girodisc rotor uses a CNC-machined 6061-T6 aluminum hat mated to a proprietary cast iron rotor ring for an optimal balance of strength and weight savings. The two-piece floating construction reduces unsprung and rotational mass, allowing for sharper handling and quicker suspension reaction. The dimpled and slotted surface enhances pad bite, removes gas buildup, and keeps friction consistent during aggressive driving or track sessions.
Advanced Cooling and Engineering
The rotor’s 48 curved directional vanes act as a centrifugal pump, channeling cooling air through the disc to significantly reduce operating temperatures and fade. Girodisc’s floating mount system connects the rotor ring and hat with 8 to 10 high-strength steel drive pins, cadmium-plated for corrosion resistance and secured with grade 12 fasteners and hardened washers. Anti-noise spring washers eliminate rattling while allowing for proper expansion under heat.
Vehicle Fitment
Mercedes-Benz SL55 AMG (R230)
Mercedes-Benz SL63 AMG (R230 / R231)
Direct bolt-on fitment with factory calipers and hardware
Dimpled & slotted surface for enhanced braking performance
Technical Specifications
CMS Number: A2-030DS
Position: Rear
Design: 2-piece floating assembly, dimpled & slotted
Material: Proprietary cast iron rotor with 6061-T6 aluminum hat
Vane Design: 48 curved directional vanes for maximum cooling
Hardware: Cadmium-plated drive pins, grade 12 cap screws, anti-noise washers
Rebuildable: Yes — replace rotor rings and reuse hats
Sold/Price: Per pair
FAQs
Are these rotors a direct replacement for my OEM setup? Yes. They fit factory calipers and require no additional modifications.
Why choose dimpled and slotted rotors? The surface design increases initial bite, releases gases, and prevents glazing, providing consistent braking power during spirited or track driving.
Do these rotors reduce weight? Yes. Girodisc 2-piece rotors are lighter than OEM rotors, improving suspension response and reducing rotational mass.
Can I reuse the aluminum hats? Absolutely. The Girodisc system is fully rebuildable, allowing you to replace the iron rotor rings when worn while retaining the aluminum hats.
Upgrade your Mercedes SL55 or SL63 with Girodisc A2-030DS Rear Rotors for improved braking performance, reduced unsprung weight, and track-ready durability—all proudly engineered and manufactured in the USA.