Forgeline ZO1R Wheels (5 Lug) - Competition Motorsport
Forgeline Motorsports Forgeline ZO1R Wheel $1,795.00
FORGELINE ZO1R If you like the look of classic style but need modern engineering with a load rating that is suitable for dedicated track duty, then the ZO1R was engineered for you! The ZO1R is a full track-ready competition wheel with a 2100 lb per wheel load rating, equal in strength to our famous GA1R and GS1R Competition Series wheels. The ZO1R is currently available in 18, 19, 20, and 21-inch sizes with a range of widths (6" to 15") and offsets. Like any Forgeline wheel, the ZO1R is available in any of thousands of fully customizable finish options. One-Piece Forged 6061-T6 Monoblock Extreme Stiffness and Fatigue Strength 2100-lb. Street Tire Load Rating (per wheel) Extremely Light Weight and High Strength Generous Brake Clearance Forged 6061-T6 Aluminum Customizable Finish Options Legendary Forgeline Quality
Forgeline ZX3 - Competition Motorsport
Forgeline Motorsports Forgeline ZX3 $1,285.00
Forgeline ZX3 The Forgeline ZX3 is the street-oriented Performance Series version of their popular ZX3R race wheel. Virtually identical to the ZX3R, the ZX3’s center is built with additional material in order to accept a standard center cap. Each ZX3 is built with true forged 6061-T6 aluminum centers and aircraft-quality stainless steel ARP fasteners. It features a standard powder coated center finish and polished outer lip. The ZX3 is available in sizes ranging from 17"×7" to 18"×15". And since each wheel is built to order, we can offer special features like custom offsets, center locking hubs, and a choice of finish combinations. 3-Piece Performance Series Wheel Stepped-Lip Design Aircraft-Quality Stainless Steel ARP Fasteners Generous Brake Clearance Forged 6061-T6 Aluminum Heat-Treated Rim Shells Includes Standard Aluminum Center Cap Customizable Fitment and Finish Options Legendary Forgeline Quality and Customer Service
Garmin Catalyst 2 Racetrack Driving Performance Optimizer Front Green Screen Image.  Digital display showing lap times and performance metrics on a white background
Garmin Ltd. Garmin Catalyst 2 Race Track Driving Performance Optimizer $1,199.99
Garmin Catalyst 2 Race Track Driving Performance Optimizer SHIPPING NOW Designed with a bright 3-inch display and a built-in camera, Garmin Catalyst 2 easily mounts on the windshield and brings on-track coaching features to the cockpit, including Garmin's unique True Optimal Lap, which shows drivers their best achievable time with a composite video of lines they drove. It also features real-time audio cues and post-session comparison of performance data to help drivers see where they can gain time. DISCOVER YOUR FULL TRACK DRIVING POTENTIAL Designed as a compact, windscreen-mounted unit, the Garmin Catalyst 2 features a 3-inch display and an integrated camera capable of recording 1440p high-definition video. The idea is simple enough: capture what the car is doing on track, analyze it automatically, and feed that information back to the driver in a format that is easy to act on to improve lap times. Garmin Catalyst 2 includes unique motorsports coaching features that can help drivers improve on the track. After a track session, drivers can open the Garmin Catalyst app on a compatible smartphone or tablet to review detailed performance analysis, driver comparison data and more. True Optimal Lap: Patented Garmin technology splices together a driver's best achievable time into a single video based on lines driven if all best lines had been driven on the same lap. On-track coaching: Receive real-time coaching with audio cues for speed, braking and more – heard through connected earbuds or the car stereo. Automatic data interpretation: See the top three opportunities for improvement after every session, allowing drivers to spend less time analyzing previous laps and more time on the track. Leaderboards: Drivers can see how they stack up against other drivers with best lap times sortable by session, day, year, car make or model. Video with data overlays: View graphic overlays on 1440p high-definition videos, which include track map, speed, delta time, G-G traction circle diagrams and more2. Detailed performance data: See animated graphs2, comprehensive driving information and friend comparisons. Enhanced data accuracy: Refined True Track Positioning™ uses built-in accelerometers, gyroscopes, image processing and 25 Hz multi-GNSS positioning for recording the most precise racing line on the track. Vault storage: With an active Vault plan, optimal and best lap videos are automatically saved and accessible through the Garmin Catalyst app. This makes it easy for users to view and share videos and allows them to manually store laps or sessions for as long as their plan is active. Overview At the center of the system is Garmin’s True Optimal Lap technology. This patented feature pieces together a driver’s best theoretical lap by combining the quickest segments and lines they have driven across multiple laps into a single composite video. Rather than showing what was achieved, it presents what was possible if every best sector had been strung together in one go. Positioning accuracy has been upgraded through Garmin’s True Track Positioning system, which uses built-in accelerometers, gyroscopes, image processing and 25 Hz multi-GNSS data to record racing lines with greater precision. Display & Audio Catalyst uses a 3" touch screen with vivid TFT colors. The LCD is a touchscreen, able to control functions without the need for a remote control, app, or a laptop. Coaching or playback audio is available via 3.5mm headphone jack or Bluetooth(TM) to your headset or car stereo.  Coaching On-track coaching is delivered via real-time audio prompts, which can be played through connected earbuds or the car’s stereo. Drivers receive cues on speed, braking and other key inputs while circulating, something Gamin claims will reduce the amount of post-session guesswork.  In addition to circuit use, the Catalyst 2 now includes a drag racing timer, recording 0–60mph, 1/8-mile and 1/4-mile times for those heading to the strip. Analysis & Review After each session, the device automatically identifies what Garmin describes as the top three areas for improvement. If drivers want to drill down further into the data, more detailed analysis is available through the companion app. Here, users can review performance data, compare laps and access animated graphs. Video footage can be viewed with data overlays including track maps, speed traces, delta times and G-force traction circle diagrams. Leaderboards allow drivers to compare best lap times by session, day, year, or even by car make and model. An optional Vault subscription automatically stores optimal and best lap videos in the cloud via the Garmin Catalyst app, making them accessible for later review - probably when you are boasting to your buddies about how much faster you are! GARMIN CATALYST 2 RACETRACK DRIVING PERFORMANCE OPTIMIZER DETAILS Manufacturer: Garmin Manufacturer part no: 010-03924-00 Dimensions:  Display size: 3" touchscreen Touch screen: yes Weight:  Battery: rechargeable lithium-ion Battery life: up to [ ] hours Internal memory: Includes mount: yes GPS: yes GLONASS: yes 25Hz multi-GNSS positioning: yes Garmin Connect compatible: yes Included camera: yes Camera resolution: 1440p Camera field-of-view: 140º Camera frame rate:  [ ] fps Software & track database updates included Bluetooth connectivity: yes In the Box with your Garmin Catalyst Garmin Catalyst Continue reading to see how and why the Garmin Catalyst Driving Performance Optimizer is unlike anything you've ever experienced. Heck... it's unlike anything you've ever even thought possible!
Garmin Catalyst Cage Mount w/ Magnetic Mount – feature focus (Image 4)
Garmin Ltd. Garmin Catalyst Cage with Low-Profile Magnetic Mount (Screw Down) $129.00
Garmin Catalyst Cage Mount w/ Low-Profile Magnet Compatible with RAM mount parts This cage mount cradle for the Garmin Catalyst driving performance optimizer provides a secure fit with quick and easy one-handed attachment and removal of the Catalyst from the cradle. This mounting kit includes a 2.5” (64mm) round base with AMPS hole pattern, locking double socket arm and diamond base adapter that connects to the cage mount cradle. The Garmin Catalyst Cage Mount includes a low-profile magnetic mount that replaces the magnetic mount that ships with the Catalyst. (The Catalyst magnetic mount does not fit in this cage mount cradle.) This mount has a ball joint size of 1.0” (25.4 mm). In the Box: Cage with assembly hardware Low-profile magnetic mount 2.5” round base with AMPS hole pattern Locking double socket arm Diamond base adapter that connects to the cage mount cradle Note: This is not designed as a roll cage mount.
Garmin Catalyst dash camera universal suction cup mount
Garmin Ltd. Garmin Catalyst Dash Cam Universal Suction Cup Mount $24.99
Garmin Catalyst Dash Cam Universal Suction Cup Mount To mount the camera for the award winning Garmin Catalyst to a race car, we prefer the Garmin Catalyst Camera Suction Cup Mounting Kit. It includes a sturdy ball joint mount with a suction cup base for quickly mounting your Garmin Catalyst Remote Camera. Mounting Kit Details Manufacturer: Garmin Manufacturer Part Number: 010-12530-25 Designed to perfectly fit the Garmin Catalyst remote camera We have many racers that also take their Garmin Catalyst from their street car to their track day/race car and the Garmin Suction Cup Mounting Kit is a track-worthy way of securing your Catalyst to your race car. 
Garmin Catalyst Download & AC Adapter Kit – in-use setup (Image 1)
Garmin Ltd. Garmin Catalyst Download & AC Adapter Kit $29.99
Garmin Catalyst Download & AC Adapter Kit is built for performance-minded racers who expect more from their gear. Here's why it belongs in your setup: Garmin Catalyst Download & AC Adapter Kit Download, power and recharge your Garmin Catalyst from any standard US wall outlet. The Garmin Catalyst adapter kit includes 1 micro cable and 1 mini cable so you can plug the appropriate cable into your device and then attach the AC outlet adapter for power or connect to a personal computer for data transfer. Garmin Catalyst Download & AC Adapter Kit Details: Manufacturer: Garmin Manufacturer Part Number: 010-11478-02
Garmin Catalyst Driving Performance Optimizer – angled shot (Image 1)
Garmin Ltd. Garmin Catalyst Driving Performance Optimizer $999.99
Garmin Catalyst Driving Performance Optimizer is built for performance-minded racers who expect more from their gear. Here's why it belongs in your setup: Garmin Catalyst Driving Performance Optimizer Realize Your Full Track Driving Potential This device is an industry-first, providing virtual coaching in real time and showing a calculated optimal lap. Real-time coaching tells you how to go faster in each corner, with audio instructions, so you can keep your eyes up at all times. This is a stark contrast to existing systems which only provide feedback after a corner or after your session. The Garmin Catalyst uses your measured optimal lap to guide you to your personal maximum performance, rather than the performance of a professional racing driver. Catalyst Overview Garmin Catalyst uses accelerometers, GPS, video, and the most sophisticated algorithms to evaluate your driving performance and then suggest ways to improve (just like a human coach). Through the display and audio, Catalyst provides a real-time assessment of performance using both gentle suggestions and positive reinforcement. No, it won't clap when you get it right but it does use real-world phrases and encouragement - such as "brake less", "apex later", or "keep pushing". Catalyst is perpetually evaluating and assessing your performance so it can optimize your lap and get you in line. After your session, review track maps showing opportunities for improvement as well as "heat map" displays of deceleration, acceleration, apexes, and speeds. Catalyst uses a 6.95" super wide view LCD IPS screen with vivid TFT colors. The LCD is a touchscreen, able to control functions without the need for a remote control, app, or a laptop. Coaching or playback audio is available via 3.5mm headphone jack or Bluetooth(TM) to your headset or car stereo. The on-screen layout is not programmable. More Than Just Another Camera This is more than just a camera - the remote pod includes the accelerometers. It records up to 30fps in 1080p HD in a 140° field-of-view. It must be mounted facing forward, high up, and centered on your windshield. An on-screen guide will help you align it. The camera contains the accelerometers and very powerful processing software integrates the video into Catalyst's coaching and data. Playback is available on the Catalyst screen with speed and lap times already in sync. On-Track Coaching To unlock all of the coaching features and data you will need to select the Advanced setting. There is also a Basic setting that does not provide as much feedback. During your session, the real-time display is referencing current session data only. However, post-session review can include data from multiple sessions. Catalyst is looking for patterns in your driving to map out where you were fast and opportunities to try a different line, brake less, or carry more speed. Lap time differential is displayed as either red (slower), green (faster), or black (no change). You can have an advanced driver or instructor set baselines in your car first, then overlay that data with your own driving. This way Catalyst can see the full potential and make recommendations. So, instead of "chasing" a theoretical lap time, you know what's possible with Catalyst helping you make incremental improvements to get there. Catalyst will never make a recommendation that hasn't been previously successful. Off-Track Analysis & Review Garmin Catalyst compiles all of its data to form a True Optimal Lap. This is your best possible lap using all of the data provided during your on-track sessions. True Optimal Lap is determined not just by lap and sector times but by analyzing your best lines through corners and sectors and using the camera feed to identify track limits. Catalyst retains your track data over a four-day period so you can pack in a full weekend of driving with progressive coaching and analysis. Post-session data is reviewed on the Catalyst screen or through the Garmin Connect smartphone app, including video. (Export of data and video files to a laptop is not currently supported nor is it needed.) Everything you need is self-contained in the Garmin Catalyst, which works best when used as a standalone tool to review performance and make adjustments while you're at the track. Included in the Catalyst Box: Garmin Catalyst 32GB microSD pre-installed in covered compartment (auxiliary card slot on the side of the Catalyst device is externally accessible for memory expansion) Remote Cam with polarized lens cover Remote Cam 3.5 meter cable Heavy-duty vehicle suction cup Powered magnetic mount Two 1” connecting arms 1” arm connector Cable clips 12V socket power cable Full documentation Included Accessories: One-inch ball adapter screw down mount USB data cable 12V bare wire vehicle power cable Additional Remote Cam adhesive Continue reading to see how and why the Garmin Catalyst Driving Performance Optimizer is unlike anything you've ever experienced. Heck... it's unlike anything you've ever even thought possible!
Garmin Catalyst screw-in dash mount with magnetic coupling
Garmin Ltd. Garmin Catalyst Mounting Kit (Screw Down) $129.00
Garmin Catalyst Screw-Down Mount To mount the award winning Garmin Catalyst to a race car, we prefer the Garmin Catalyst Screw Down Mounting Kit. It includes a flat mount plate with two articulating balls and the special magnetic tablet mount. Can be connected to vehicle power with a cable (sold separately) to power your Garmin Catalyst through the magnetic mount. Screw Down Mounting Kit Details Manufacturer: Garmin Manufacturer Part Number: 010-13081-01 Engineered specifically to securely mount the Garmin Catalyst We have many racers that also take their Garmin Catalyst from their street car to their trackday/race car and the Garmin Screw Down Mounting Kit is a track worthy way of securing your Catalyst to your race car. In the Box Heavy-duty screw-down mounting plate Powered magnetic mount with 1" ball mount Two 1" connecting arms 1" arm connector
Garmin Catalyst Universal Carrying Case
Garmin Ltd. Garmin Catalyst Universal Carrying Case $24.99
Garmin Catalyst Universal Carrying Case The Garmin Catalyst Universal Carrying Case is built for performance-minded racers who expect more from their gear. Store and protect your Garmin Catalyst in this Garmin Universal Carrying Case. Holds any tablet-sized electronic device up to 7 in. (18 cm) long. Travel in style with this sleek Garmin Catalyst Carrying Case. It's built to endure the elements, protecting your compatible Garmin device (not included) for the long haul. This Garmin case sports a durable thermo-molded exterior with zipper and padded interior. Garmin Catalyst Carrying Case Details Manufacturer: Garmin Manufacturer part no.: 010-11917-00 Dimensions: 7.0"L x 4.6"W x 2.0"H Weight: 4.8 oz. Protects your Garmin navigator Thermo-molded exterior Zipper and padded interior
Garmin Catalyst Vehicle Power Adapter – track-ready setup (Image 1)
Garmin Ltd. Garmin Catalyst Vehicle Power Adapter $29.00
Garmin Catalyst Vehicle Power Adapter is built for performance-minded racers who expect more from their gear. Here's why it belongs in your setup: Garmin Catalyst Vehicle Power Adapter Simply and safely power your Garmin Catalyst using your vehicle's 12V power outlet with this standard socket power adapter. For use with the Garmin Catalyst Driver Performance Optimizer.
Garmin Catalyst windshield suction mount
Garmin Ltd. Garmin Catalyst Vehicle Windshield Mount (Suction Cup) $129.00
Garmin Catalyst Windshield Suction Mount For use with the Garmin Catalyst Driver Performance Optimizer. Attaches your Garmin Catalyst securely to your windshield or other flat surface. Powers your Garmin Catalyst while you're in your vehicle. The powered magnetic mount suctions to the windshield for easy viewing (power cable sold separately). The Garmin Catalyst Suction Mount is built for performance-minded racers who expect more from their gear. In the Box: Heavy-duty 1" ball vehicle suction cup Powered magnetic mount with 1" ball mount Two 1" connecting arms 1" arm connector
Garmin Direct Power Cable – hero shot (Image 1)
Garmin Ltd. Garmin Direct Power Cable $35.00
Garmin Direct Power Cable is built for performance-minded racers who expect more from their gear. Here's why it belongs in your setup: Garmin Direct Power Cable For use with the Garmin Catalyst Driver Performance Optimizer. It is not recommended to hardwire Garmin automotive products to a 12-volt power source unless using a specifically-designed, Garmin-made accessory with a compatible device. Hardwiring a device in any other way may cause damage. Damage incurred in this way is not covered under warranty.
Garmin Tube Mount Kit
Garmin Ltd. Garmin Tube Mount Kit $59.00
Garmin Tube Mount Kit Capture every lap with confidence using the Garmin Tube Mount Kit, engineered to securely attach your Garmin camera to a variety of round surfaces like roll cages, tubing, and frame bars. Whether you're recording high-speed laps or reviewing driving data, this mount ensures your footage stays stable—no matter the intensity of your race day. Designed for motorsport environments, the Garmin Tube Mount Kit is compatible with a wide range of Garmin action cameras and offers a rugged, low-profile solution for professional-grade video capture during track days, endurance events, and racing competitions. Key Features Compatible with most Garmin VIRB action cameras Fits round tubing 0.75” to 1.5” (19–38 mm) in diameter Perfect for mounting to roll cages, seat headrest bars, or frame rails Durable, vibration-resistant construction for stable video recording Includes mount, Allen wrench, and anti-slip inserts Whether you're a club racer, HPDE enthusiast, or professional driver, the Garmin Tube Mount Kit gives you the flexibility and durability you need to record every moment of your performance with precision.
Girodisc replacement rotor rings
GiroDisc Racing Brakes & Technologies GD328.28.54 Girodisc 328x28mm Replacement Rings $680.00
Girodisc 328x28mm Replacement Rings (D54) Need new rings for your Brembo or StopTech big brake kit? Girodisc has you covered. These 328x28mm replacement rings are 100% plug-and-play with your existing hats, offering factory-fit compatibility, superior cooling, and precise braking performance. Each kit includes new floating pin hardware, so installation is seamless and secure. Vehicle Fitment These replacement rings fit Girodisc, Brembo, and StopTech two-piece rotor systems utilizing 328x28mm discs. Ideal for performance and track-focused vehicles that need consistent braking performance and rebuildable rotor assemblies.Note: These are friction rings only and install onto existing aluminum hats using the included hardware. Precision-Built for Performance The disc is made from Girodisc’s proprietary cast iron alloy, poured in the USA and machined in-house to exacting tolerances. Each rotor uses 48 curved directional vanes designed to function as a centrifugal pump, drawing air through the rotor to keep temperatures stable under high-stress braking. This engineering ensures exceptional fade resistance, consistent pedal feel, and extended rotor life — perfect for both street and circuit use. Features • Direct replacement for Girodisc, Brembo, and StopTech 328x28mm applications• Includes new floating hardware kit (two sets)• High-carbon iron alloy for strength and crack resistance• 48 curved vanes for efficient heat evacuation• Machined and balanced in the USA• Bolt-on fitment with existing aluminum hats• Sold/priced per pair Specifications • Application: 328x28mm two-piece rotor systems (D54)• Material: Proprietary high-carbon cast iron• Vane count: 48 curved directional• Includes: Two rotor rings and two hardware kits• Made in the USA• Sold/priced per pair Girodisc GD328.28.54 Replacement Ring FAQs Will these fit my Brembo or StopTech big brake kit? Yes — these are designed to bolt directly to existing 328x28mm hats for both Brembo and StopTech systems using the D54 configuration. Do the replacement rings include hardware? Yes. Each pair ships with two complete hardware kits for installation, including new floating pins, washers, and bolts. Do I need to buy new hats? Not unless your existing hats are damaged. Girodisc rings are made to reuse your original hats for cost-effective rebuilds. Can these be used for racing? Absolutely. Girodisc’s metallurgy and vane design are track-proven for endurance and sprint racing, providing stable, fade-resistant performance. Rebuild your Brembo or StopTech big brake kit the right way with Girodisc GD328.28.54 328x28mm replacement rings — precision, performance, and value engineered for serious braking.
Girodisc replacement rotor rings
GiroDisc Racing Brakes & Technologies GD355.32.52 Girodisc 355x32mm Replacement Rotor Rings (D52) $730.00
Girodisc GD355.32.52 355x32mm Replacement Rotor Rings (D52) The Girodisc GD355.32.52 Replacement Rotor Rings (D52) are precision-built replacements for Girodisc two-piece rotor systems using the D52 configuration. Sized at 355mm x 32mm, these genuine Girodisc rings restore full braking performance while allowing you to reuse your existing aluminum hats and floating hardware, saving time and cost without compromising quality. Precision Engineering for Long-Term Performance Each Girodisc replacement ring is manufactured in-house in the USA from Girodisc’s proprietary cast iron alloy, designed to handle the extreme heat and stress of high-performance driving. The curved vane internal design acts as a centrifugal air pump, increasing airflow through the rotor to reduce operating temperatures and prevent fade. These rings are machined to exact tolerances and include a new hardware kit for a complete, bolt-on installation. Features • Dimensions: 355mm x 32mm (D52 configuration)• Direct replacement for Girodisc two-piece D52 systems• Reuses existing Girodisc aluminum hats• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for efficient cooling• Includes new hardware for installation• Directional vanes for left and right rotors• Sold/priced per pair Vehicle Fitment The Girodisc GD355.32.52 355x32mm Replacement Rotor Rings (D52) fit Girodisc D52-based two-piece systems used on:• Porsche Cayman / Boxster (Girodisc 355mm D52 kits)• BMW M2 / M3 / M4 (Girodisc 355mm D52 front or rear systems)• Audi S4 / S5 (Girodisc 355mm D52 setups)• Subaru WRX STI with Girodisc D52 355mm conversion• Other high-performance applications using Girodisc D52 hat patternAlways verify your hat pattern and rotor dimensions match the D52 specification before ordering. Girodisc GD355.32.52 355x32mm Replacement Rotor Rings (D52) FAQs What’s included in the kit? Two iron rotor rings (left and right) and a full set of new mounting hardware for reassembly. Do I reuse my aluminum hats? Yes. These rings are designed to bolt directly to your existing Girodisc hats using the included hardware kit. Are they compatible with OEM or other brands? No. Girodisc rings are engineered specifically for Girodisc aluminum hats and hardware. Are the rotors directional? Yes. Each rotor features curved vane geometry for left and right installation, ensuring optimal airflow and cooling. What material are they made from? Girodisc’s proprietary cast iron alloy provides high strength, excellent thermal stability, and consistent friction under extreme conditions. Are they sold as a set? Yes. The Girodisc GD355.32.52 355x32mm Replacement Rotor Rings (D52) are sold and priced per pair, including all required hardware. Restore factory-level braking performance and reliability with Girodisc GD355.32.52 Replacement Rotor Rings (D52)—precision-engineered in the USA for unmatched quality, cooling, and endurance.
Girodisc replacement rotor rings
GiroDisc Racing Brakes & Technologies GD355.32.62 Girodisc 355x32mm Replacement Rotor Rings (Wide Annulus) $730.00
Girodisc GD355.32.62 355x32mm Replacement Rotor Rings (Wide Annulus) The Girodisc GD355.32.62 Replacement Rotor Rings (Wide Annulus) are precision-engineered to replace worn iron rings on Girodisc two-piece brake systems using the D62 hat configuration. These 355x32mm rings are crafted for performance vehicles utilizing Brembo big brake kits that require a wide annulus pad contact area. Restore Performance with Genuine Girodisc Components Manufactured in the USA from Girodisc’s proprietary cast iron alloy, these rings are engineered for maximum strength, heat resistance, and consistent friction. The wide annulus design provides a larger pad contact area for improved wear balance and braking stability. Each rotor features directional curved vanes that act as a centrifugal pump, pulling cool air through the disc to minimize fade and maintain optimal performance under track conditions. Features • Dimensions: 355mm x 32mm (D62 Wide Annulus)• Direct replacement rings for Girodisc two-piece D62 systems• Designed for use with wide annulus Brembo calipers and pads• Proprietary cast iron alloy poured and machined in the USA• Curved vane internal geometry for maximum cooling• Reuses Girodisc aluminum hats• Includes new hardware for installation• Sold/priced per pair Vehicle Fitment The Girodisc GD355.32.62 355x32mm Replacement Rotor Rings (Wide Annulus) fit Girodisc D62-based systems commonly used on:• Brembo 4-piston and 6-piston big brake kits (355mm applications)• Porsche Cayman / Boxster (Brembo GT 355mm systems)• Subaru WRX STI (Brembo GT wide annulus 355mm setup)• Mitsubishi Evo X with Brembo 355mm upgrade• BMW M2 / M3 / M4 with Brembo 355mm GT kitsAlways verify your hat bolt pattern and pad annulus match the D62 configuration before ordering. Girodisc GD355.32.62 355x32mm Replacement Rotor Rings (Wide Annulus) FAQs What does “wide annulus” mean? It refers to the pad contact area width on the rotor. Wide annulus rotors are designed for Brembo GT calipers using pads with a broader friction face. Can I reuse my aluminum hats? Yes. These replacement rings are designed to bolt directly to Girodisc aluminum hats using the included hardware. Do these include hardware? Yes. Each kit includes a complete set of new bolts, washers, and drive pins for proper installation. Are the rings directional? Yes. Each rotor features left and right curved vane geometry for optimal cooling and airflow direction. Do they fit OEM or other aftermarket hats? No. Girodisc replacement rings are specifically machined for Girodisc D62 aluminum hats and are not compatible with other brands. Are they sold as a pair? Yes. The Girodisc GD355.32.62 355x32mm Replacement Rotor Rings (Wide Annulus) are sold and priced per pair and include a complete hardware kit. Keep your braking system at peak performance with Girodisc GD355.32.62 355x32mm Replacement Rotor Rings (Wide Annulus)—the perfect OEM-quality solution for maintaining the precision, cooling, and durability your Girodisc system was designed for.
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