Auto Racing Driver Safety Gear at CMS – Page 32

Bell HP10 Rally WW carbon helmet front left angle with visor and wired wireless microphone image

Bell Racing Helmets Bell HP10 Rally WW Helmet FIA 8860-2018 $4,269.00

Bell HP10 Rally WW Helmet FIA 8860-2018 The Bell HP10 Rally WW FIA 8860-2018 auto racing helmet is the ultimate open-face carbon helmet designed for professional rally drivers who demand cutting-edge safety and seamless communication. Built on Bell‚ advanced FIA 8860-2018 carbon shell technology, it integrates the ZeroNoise Wired-Wireless (WW) system, giving drivers flawless communication whether connected by cable or over wireless. The system automatically switches between modes without interruption, delivering unmatched reliability in high-pressure competition environments. Advanced Technology Meets Safety The HP10 WW Rally combines lightweight comfort, FIA 8860-2018 homologation, and the most advanced communication system in rallying today. The ZeroNoise adaptive noise cancelling algorithm, wireless module, and heavy-duty Nexus connector are fully built into the helmet, eliminating bulky external devices and maximizing focus behind the wheel. Bell HP10 Rally WW Helmet Features FIA 8860-2018 Advanced ultra-lightweight carbon fiber shell with matte finish ZeroNoiseWW (Wired-Wireless) communication system with automatic seamless switching Adaptive noise cancelling technology for crystal-clear audio Military-grade wireless module for fast and stable connectivity Fast Removable Carbon Half Chin Bar (HCB) for quick emergency access Multi-density, multi-piece liner for enhanced energy absorption Adjustable carbon sun peak with anti-scratch integrated sunscreen Supplied with ML Red mirror visor (installed) and Dark Smoke visor (included in box) Removable multi-density cheek pads for customized comfort Flexible, sound-insulating ear muffs for reduced cockpit noise Heavy-duty integrated female Nexus connector, compatible with standard Nexus amplifiers Flat right side carbon cover included for alternate straight-cable setup Air extraction system for cooling efficiency Factory-installed Hans anchors HP helmet bag included Bell HP10 Rally WW Helmet FIA 8860-2018 FAQs What makes the Bell HP10R WW unique compared to other rally helmets? The HP10 WW integrates both wired and wireless communication directly into the helmet, with automatic switching and adaptive noise cancelling for crystal-clear team radio. Does the HP10R WW come with multiple visors? Yes, it comes standard with an ML Red mirror visor pre-installed and includes a Dark Smoke visor in the box for variable light conditions. Is the HP10R WW compatible with existing intercom systems? Absolutely. The heavy-duty female Nexus connector ensures compatibility with most professional-grade amplifiers and intercom setups on the market. What safety certification does the HP10R WW carry? The helmet meets the FIA 8860-2018 standard, the highest current FIA homologation for motorsport helmets, offering maximum protection and performance. Can the communication system be used outside the car? Yes, the WW system allows wireless communication both inside and outside the vehicle, making it highly versatile for team coordination. Step into the future of rally communication and safety with the Bell HP10 Rally WW FIA 8860-2018 helmet. Order today and experience next-level performance on every stage. Bell HP10 Rally WW Helmet Sizing Chart

GiroDisc Racing Brakes & Technologies A1-308DS Girodisc Mercedes 360mm Front Rotors (Dimpled & Slotted) $2,064.00

A1-308DS Girodisc Mercedes 360mm Front Rotors (Dimpled & Slotted) These Girodisc A1-308DS 2-piece dimpled and slotted front rotors are a direct replacement for factory 360 mm front rotors on Mercedes performance models. The floating two-piece design reduces unsprung weight and improves cooling, while the surface pattern enhances pad bite and gas evacuation. Vehicle Fitment Mercedes-AMG / Mercedes models using 360 mm front rotors Factory OEM 360 mm brake systems on select AMG / performance models High-Performance Dimpled & Slotted Design The 48 curved vane internal structure pulls cooling air through the rotor like a centrifugal pump. Combined with high-carbon iron rings and reusable aluminum hats, this design delivers excellent thermal stability and cost-effective service. Features Direct OEM replacement for 360 mm front rotors Dimpled & slotted rotor surface improves bite and pad cleaning 2-piece floating rotor design reduces unsprung weight High-carbon iron rings with reusable aluminum hats 48 curved vanes for outstanding cooling Manufactured and assembled in Bellingham, WA A1-308DS Girodisc Mercedes 360mm Front Rotors FAQs: Are these a direct fit? Yes, they bolt to factory hubs and work with OEM calipers. Do they work with OEM pads? Yes, and they are compatible with performance pad compounds. Can I replace just the rings later? Yes, reuse the hats with D1-308DS replacement rings. Why dimpled & slotted instead of drilled? The pattern improves bite and gas evacuation while minimizing cracking risk versus fully drilled rotors.

GiroDisc Racing Brakes & Technologies A2-148DS Girodisc Mercedes 360mm Rear Rotors (Dimpled & Slotted) $2,206.00

A2-148DS Girodisc Mercedes 360mm Rear Rotors (Dimpled & Slotted) These Girodisc A2-148DS 2-piece dimpled and slotted rear rotors are a direct replacement for factory 360 mm rear rotors on Mercedes performance models. They reduce unsprung weight, enhance cooling, and provide improved pad bite while maintaining street-friendly refinement. Vehicle Fitment Mercedes models matched with 360 mm front / rear rotor setups Performance / AMG systems specifying 360 mm rear rotors Track-Ready Performance with Street Manners High-carbon iron rings paired with reusable aluminum hats deliver strong thermal stability and cost-effective service. The 48 curved vane internal structure promotes airflow and heat management during repeated braking events. Features Direct OEM replacement for 360 mm rear rotors Dimpled & slotted surface for improved bite and pad cleaning 2-piece floating design reduces unsprung weight High-carbon iron rings with reusable aluminum hats 48 curved vanes for efficient cooling Manufactured and assembled in Bellingham, WA A2-148DS Girodisc Mercedes 360mm Rear Rotors FAQs: Do these fit stock calipers? Yes, they are a direct bolt-on with OEM calipers. Are they noisy? No, the floating hardware is engineered for quiet street operation. Can I replace the rings only? Yes, reuse your Girodisc hats with the appropriate rear replacement rings when available. Are they track-capable? Yes, they are designed for repeated heat cycles and performance use.

GiroDisc Racing Brakes & Technologies D1-308DS Girodisc Mercedes 360mm Front Replacement Rings (Dimpled & Slotted) $1,395.00

D1-308DS Girodisc Mercedes 360mm Front Replacement Rings (Dimpled & Slotted) These Girodisc D1-308DS front replacement rings are sold in pairs and include replacement hardware. They are designed for use with existing Girodisc aluminum hats and are not compatible with OEM or other aftermarket hats. Vehicle Fitment Mercedes models with Girodisc 360 mm front rotor kits Not for 370 / 380 / 390 mm systems Refresh Your Two-Piece Rotor Setup Dimpled and slotted high-carbon iron rings deliver strong initial pad bite and stable performance under heat. Reusing your Girodisc hats keeps service costs down while maintaining braking performance. Features Replacement rings only; reuse Girodisc aluminum hats Sold in pairs with replacement hardware Dimpled & slotted surface for bite and gas evacuation High-carbon iron with 48 curved vanes for cooling Cost-effective rotor refresh solution D1-308DS Girodisc Mercedes 360mm Front Replacement Rings FAQs: Do these include hats? No, these are rings only and require existing Girodisc hats. Are they sold individually? No, they are sold as a pair. Can I use OEM hats? No, these rings are only compatible with Girodisc hats. Are these track-ready? Yes, they offer excellent cooling and bite for performance driving.

GiroDisc Racing Brakes & Technologies D2-123DS Girodisc Mercedes 360mm Rear Replacement Rings (Dimpled & Slotted) $1,395.00

Girodisc Mercedes Rear Replacement Rings (Dimpled & Slotted) Upgrade your Mercedes AMG’s braking performance with Girodisc D2-123DS 360mm dimpled and slotted rear replacement rings. Designed as direct-fit replacements for Girodisc two-piece rear rotors, these rings bolt to your existing Girodisc aluminum hats using the included floating hardware kit. The dimpled and slotted design enhances bite, clears debris, and helps maintain consistent braking under extreme conditions. Vehicle Fitment Compatible with:• Mercedes-Benz C63 AMG (W204 / W205 chassis)• Mercedes-Benz E63 AMG (W212 / W213 chassis)• Mercedes-Benz CLS63 AMG (C218 chassis)• Mercedes-Benz S63 AMG (W222 chassis, steel rotor applications)Note: For vehicles equipped with Girodisc 360mm two-piece rear rotors. Not for OEM or carbon-ceramic systems. Features • Sold as a left/right pair and includes new floating hardware kit• Dimpled and slotted surface increases pad bite and gas evacuation• CNC-machined from high-carbon cast iron for superior heat control• Curved directional vanes provide maximum cooling under load• Maintains OEM brake bias and ABS function• Designed exclusively for Girodisc aluminum hats – not compatible with OEM or other brands Specifications • Diameter: 360mm• Position: Rear• Material: High-carbon cast iron• Surface: Dimpled and slotted• Mount type: Floating two-piece system• Includes: Two rings and full hardware kit• Sold/priced per pair• MSRP: $980.00 Girodisc D2-123DS Replacement Ring FAQs Will these fit OEM Mercedes rotors? No. These are engineered for Girodisc two-piece rotor systems and will not fit factory or carbon-ceramic setups. What’s the advantage of the dimpled and slotted design? It improves initial pad bite, helps vent gases, and maintains a cleaner braking surface for consistent stopping power. Are both sides included? Yes. Each D2-123DS kit includes left and right replacement rings plus a complete hardware kit. Do I need to replace the hardware? Yes. Each kit includes new floating hardware that must be used for proper installation and long-term reliability. Enhance your AMG’s braking response with Girodisc D2-123DS 360mm rear replacement rings — the ideal blend of precision, durability, and cooling performance for the street or track.

GiroDisc Racing Brakes & Technologies D1-308 Girodisc Mercedes 360mm Front Replacement Rings $1,253.00

D1-308 Girodisc Mercedes 360mm Front Replacement Rings These Girodisc D1-308 front replacement rings are sold in pairs and include new hardware. They are designed to bolt to existing Girodisc aluminum hats only (not compatible with OEM or other hats). Vehicle Fitment Mercedes-AMG GT (C190) 2017+ – Front (for Girodisc 360 mm kits) Design & Performance High-carbon iron rings with 48 curved internal vanes draw cooling air through the rotor. Floating two-piece construction reduces unsprung weight while reusable aluminum hats allow ring-only replacement. Features Replacement rings only; reuse your Girodisc hats Includes new drive pins, spring clips, and Belleville washers High-carbon iron rings with directional internal vanes Slotted face for stable friction and pad cleanup For Girodisc 360 mm front kits on the listed models D1-308 Girodisc Mercedes 360mm Front Replacement Rings FAQs: How do I know these rings match my hats? Verify your hat part number from the original Girodisc kit; D1‑308 mates to 360 mm front hats used in the listed AMG GT applications. What is the minimum thickness? Replace when worn to Girodisc’s stated discard thickness or if cracks reach an edge (inspect regularly for track use). Do I need threadlocker on the hardware? Use the supplied hardware and follow Girodisc torque/spec sheet; do not substitute fasteners. Can I run these with drilled pads or track pads? Yes. Slotted rings are compatible with OEM and aggressive compounds; follow pad bedding procedures. Related Products A1-308 Girodisc Mercedes 360mm Front Rotors A2-148 Girodisc Mercedes 360mm Rear Rotors D1-308 Girodisc Mercedes 360mm Front Replacement Rings D2-123 Girodisc Mercedes 360mm Rear Replacement Rings

GiroDisc Racing Brakes & Technologies A1-311 Girodisc Audi B9 S4, S5, SQ5 Front Rotors $1,637.00

A1-311 Girodisc Audi B9 S4, S5, SQ5 Front Rotors These Girodisc A1-311 two-piece front rotors are a direct, bolt-on replacement for the B9 S4, S5, and SQ5. The fully floating design sheds unsprung weight and improves cooling versus OE one-piece rotors while retaining factory calipers, ABS, and brake bias. Vehicle Fitment Audi S4 (B9) – Front Audi S5 (B9) – Front Audi SQ5 (B9) – Front High-Carbon Rings, Curved Vanes Proprietary high-carbon iron rings use curved internal vanes to draw cooling air through the disc. Reusable 6061-T6 aluminum hats and cadmium-plated drive pins control thermal growth and maintain quiet street manners. Features Direct OE replacement; no mods required Two-piece floating design reduces unsprung weight High-carbon iron rings with curved vane cooling Reusable aluminum hats; new hardware included Manufactured and assembled in Bellingham, WA A1-311 FAQs Pad compatibility? Works with OE or performance pad compounds. Bed-in needed? Yes—perform a standard bedding procedure after install. Front ring part number? D1-311 front replacement rings. Related Products D1-311 Girodisc Audi B9 S4, S5, SQ5 Front Replacement Rings A2-130 Girodisc Audi B8/B9 Rear Rotors D2-130 Girodisc Audi 330mm Rear Replacement Rings

GiroDisc Racing Brakes & Technologies A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors $1,921.00

Girodisc Cadillac CT4-V Blackwing Front Rotors These Girodisc A1-318 2-piece front rotors are a direct bolt-on for the Cadillac CT4-V Blackwing. The fully floating assemblies reduce unsprung weight and improve thermal management while retaining OEM calipers, ABS logic, and brake bias. Vehicle Fitment Cadillac CT4-V Blackwing – Front High-Carbon Rings with Curved Vanes Proprietary high-carbon iron rings use curved internal vanes to draw cooling air through the disc. Reusable 6061-T6 aluminum hats and cadmium-plated high-strength drive pins control thermal growth and deliver quiet street manners with race-ready float. A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors Features Direct OE replacement; no modifications required 2-piece floating design reduces unsprung/rotational mass Curved vane internal geometry for strong airflow and cooling Reusable aluminum hats; hardware engineered for quiet operation Manufactured and assembled in Bellingham, WA Sold/priced per pair A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors FAQs Do these change pedal feel or ABS? No — rotor geometry preserves factory brake balance and ABS calibration. Which replacement rings match the A1-318? Use D1-066 380×34 mm front replacement rings. Are OEM pads compatible? Yes — works with OEM and performance pad compounds; follow pad manufacturer bedding. Track suitability? Yes — high-carbon metallurgy and floating hardware are designed for repeated high-heat cycles. Related Products D1-066 Girodisc 380×34 Front Replacement Rings A2-318 Girodisc Cadillac CT4-V Blackwing Rear Rotors D2-318 Girodisc Cadillac CT4-V Blackwing Rear Replacement Rings

GiroDisc Racing Brakes & Technologies A2-318 Girodisc Cadillac CT4-V Blackwing Rear Rotors $1,779.00

Girodisc Cadillac CT4-V Blackwing Rear Rotors These Girodisc A2-318 2-piece rear rotors are a direct bolt-on for the CT4-V Blackwing, preserving parking brake function and ABS while reducing rotating mass and improving heat rejection compared to 1-piece rotors. A2-318 Vehicle Fitment Cadillac CT4-V Blackwing – Rear Efficient Cooling & Quiet Operation High-carbon iron rings with curved vanes act as a centrifugal pump to move air through the disc. Reusable 6061-T6 hats and spring-preloaded floating hardware allow thermal expansion without the rattle typical of loose floating setups. Features Direct OE replacement; no modifications required 2-piece floating construction reduces unsprung/rotational mass Curved vane internal geometry for airflow and cooling Reusable aluminum hats; cadmium-plated high-strength pins Manufactured and assembled in Bellingham, WA Sold/priced per pair A2-318 Girodisc Cadillac CT4-V Blackwing Rear Rotors FAQs Minimum service thickness? Girodisc recommends replacing rear rings at 26 mm or sooner if a crack reaches the ring edge. Are dust shields or parking brake affected? No — dimensions maintain OE parking brake function and shield clearances. Will these change brake balance? No — they retain OEM geometry and bias. Which rear rings match? Use D2-318 rear replacement rings. Related Products A1-318 Girodisc Cadillac CT4-V Blackwing Front Rotors D1-066 Girodisc 380×34 Front Replacement Rings D2-318 Girodisc Cadillac CT4-V Blackwing Rear Replacement Rings

GiroDisc Racing Brakes & Technologies A1-322 Girodisc BMW G8X M3, M4 Front Iron Rotor Conversion $2,064.00

A1-322 Girodisc BMW G8X M3, M4 Front Iron Rotor Conversion Price: $1,450.00 These Girodisc A1-322 2-piece rotors directly replace the 400 mm carbon-ceramic (CCB) front rotors on the BMW G8X M3 & M4. The fully floating design reuses the factory CCB calipers and requires no permanent modifications—just swap rotors and run the factory iron pad shape for the calipers. Vehicle Fitment BMW G80/G81 M3 with CCB – Front BMW G82/G83 M4 with CCB – Front 400 mm Iron, Built to Run Cool High-carbon iron rings with curved internal vanes pull cooling air through the disc for stable performance under repeated hard stops. Reusable 6061-T6 aluminum hats and cadmium-plated hardware control thermal growth and keep noise down in street use. Features Direct CCB-to-iron conversion; no coding or bracket changes 2-piece floating construction reduces unsprung/rotational mass Curved-vane rings for strong airflow and heat rejection Reusable aluminum hats; new hardware included Manufactured and assembled in Bellingham, WA Sold/priced per pair A1-322 FAQs Do I change calipers? No. These rotors are designed to run with the OEM CCB calipers. Which pads do I use? Use the factory iron pad shape for the G8X CCB calipers (not the carbon-ceramic pads). Any coding needed? No — critical dimensions match CCB spec, so ABS/DSC calibration remains correct. Wheel clearance vs. CCB? Rotor envelope matches the 400 mm CCB setup, so wheel clearance is unchanged. Front replacement ring part number? D1-220 400 mm front rings. Related Products D1-220 Girodisc BMW F8X/G8X 400mm Front Replacement Rings A2-322 Girodisc BMW G8X M3, M4 Rear Iron Rotor Conversion D2-322 Girodisc BMW G8X Iron Conversion Rear Replacement Rings

GiroDisc Racing Brakes & Technologies A2-287 Girodisc Porsche 992 GT3 Cup Rear Rotors $2,490.00

Girodisc Porsche 992 GT3 Cup Rear Rotors These Girodisc A2-287 2-piece rear rotors match the front A1-287 kit for the Porsche 992 GT3 Cup iron-brake configuration. Floating assemblies reduce unsprung mass and maintain factory braking balance. A2-287 Girodisc Porsche 992 GT3 Cup Rear Rotors Porsche 992 GT3 Cup – Rear (iron brakes) Durable Rings & Floating Hardware High‑carbon iron rings with curved vanes improve thermal stability and airflow. Reusable aluminum hats and spring‑preloaded hardware provide controlled float with street‑friendly noise characteristics. A2-287 Girodisc Porsche 992 GT3 Cup Rear Rotor Features Direct bolt‑on; uses OEM calipers 2‑piece floating construction 6061‑T6 hats; cadmium‑plated hardware Manufactured and assembled in Bellingham, WA Sold/priced per pair

GiroDisc Racing Brakes & Technologies A1-197 Girodisc Audi RS3 Sportback (8P) Front Rotors $1,637.00

Audi RS3 Sportback (8P) Front Rotors Give your Audi RS3 the braking performance it deserves with Girodisc’s lightweight 2-piece floating front rotors. Designed as a direct replacement for the factory discs, they reduce weight, improve cooling, and maintain perfect OEM brake bias and ABS function. These rotors are ideal for RS3 owners who demand consistent performance on both the street and track. Lightweight Design. Maximum Control. Built in the USA from premium materials, each Girodisc rotor features a 6061-T6 aluminum hat paired with proprietary high-carbon iron rings. The curved internal vane design draws cooling air through the rotor, keeping brake temperatures stable under repeated hard stops. This design not only prevents fade but also sharpens pedal response for predictable, confident braking. Vehicle Fitment Audi RS3 Sportback (8P, 2009–2012) Audi TT RS (8J) front brake setup Features Direct OEM Fit: Bolts to factory hubs and calipers with no modifications. Two-Piece Floating Construction: Reduces unsprung mass and increases thermal efficiency. Curved Vane Cooling: Internal directional vanes pull air through the disc for consistent temperature control. Noise-Free Hardware: Anti-noise spring washers prevent rattles while maintaining precise float. Replaceable Rings: Reuse the hats—simply replace the iron rings when worn. Made in the USA: Machined, cast, and assembled in-house under strict quality control. FAQs – Audi RS3 Sportback Front Rotors Are these rotors plug-and-play? Yes, they install directly on factory hubs and calipers with no changes required. Will they fit the TT RS? Yes, they’re compatible with the 8J TT RS brake system as well. Do they reduce fade? Absolutely—the curved vane system enhances airflow, preventing overheating under heavy braking. Are they street-friendly? Yes, these rotors are quiet and smooth enough for daily use while excelling on track. Upgrade your Audi RS3’s braking system with Girodisc’s precision floating rotors for unmatched stopping power, cooler operation, and lasting reliability.

GiroDisc Racing Brakes & Technologies A1-190 Girodisc Audi C7 RS6 / RS7 Front Rotors $2,206.00

Audi C7 RS6, RS7 Front Rotors These Girodisc 2-piece floating rotors directly replace the OE C7 RS6/RS7 front discs with no modifications required. Lightweight construction and efficient cooling deliver repeatable braking and reduced fade during aggressive driving. Precision-Engineered Performance Vehicle Fitment Audi RS6 (C7) Audi RS7 (C7) Features Direct replacement: Works with factory calipers and hardware. Curved vane core: Pumps air through the rotor to control temperatures under heavy loads. Twelve-pin floating system: Cadmium-plated hardware and class 12.9 fasteners with anti-noise washers. Reusable hats: Replace only the cast-iron rings when needed to lower long-term costs. U.S. manufacturing: 6061-T6 aluminum hats and proprietary high-carbon iron rings. FAQs Will these change brake bias? No—OEM bias and ABS calibration are maintained. Are they quieter than other two-piece rotors? Yes—the spring washers prevent rattle while allowing proper float. Track capable? Definitely. They’re engineered to manage repeated high-heat cycles on track. What’s included? Complete rotor assemblies; pads are not included. Give your C7 RS6/RS7 the cooling capacity and consistency it deserves with Girodisc’s precision floating rotors.

GiroDisc Racing Brakes & Technologies A1-186 Girodisc BMW F8X M2 / M3 / M4 380mm Front Rotors $1,921.00

BMW F8X M2, M3, M4 380mm Front Rotors For F8X cars with blue calipers and iron rotors, these Girodisc 380mm floating rotors are a direct replacement that requires no modifications. They deliver stronger heat management and a more consistent pedal, whether on daily commutes or hot laps. Precision-Engineered Performance Vehicle Fitment BMW M2 (F87, blue calipers, iron rotors) BMW M3 (F80, blue calipers, iron rotors) BMW M4 (F82/F83, blue calipers, iron rotors) Features Direct OEM replacement: Designed for factory blue-caliper iron-rotor applications. Curved vane ventilation: Internal directional vanes move air efficiently to fight fade. Floating ten-pin hardware: Alloy pins with anti-noise springs manage thermal growth quietly. Lighter two-piece design: Reduces unsprung/rotational mass for sharper response. U.S. built: 6061-T6 hats and in-house cast iron rings. FAQs Compatible with M2 Competition or CCB cars? Use the dedicated Girodisc applications for M2 Comp or carbon-ceramic brakes. Can I use OEM pads? Yes—works with factory pad shapes; choose compounds to match street/track needs. Any coding or spacers needed? No—this is a true bolt-on fit for the blue-caliper iron-rotor setup. Pair or single? Sold and priced per pair. Unlock cooler operation and steadier braking with Girodisc’s 380mm floating rotors for F8X BMWs equipped with blue calipers and iron rotors.

GiroDisc Racing Brakes & Technologies A1-185 Girodisc Subaru WRX STI ('18+) Front Rotors $1,416.00

Subaru WRX STI ('18+) Front Rotors Give your VA-chassis STI the braking consistency it deserves with Girodisc’s 2‑piece floating front rotors. They bolt on in place of the factory discs with no modifications, maintain OEM brake bias and ABS calibration, and deliver cooler operation with a more confident pedal feel during repeated hard stops. Machined and assembled in the USA, these rotors pair a lightweight 6061‑T6 aluminum hat with Girodisc’s proprietary high‑carbon iron rings. The internal curved vanes act like a centrifugal pump, drawing air through the disc to manage heat and reduce fade on back‑to‑back braking events. Precision‑Engineered Performance Vehicle Fitment Subaru WRX STI (2018–2021, VA) A1-185 Girodisc Subaru WRX STI ('18+) Front Rotors Features True OEM replacement: Direct bolt‑on with factory calipers and hardware—no adapters needed. Curved vane ventilation: 48 directional vanes circulate cooling air through the rotor to control temperatures. Floating mount system: High‑strength drive pins with anti‑noise spring washers allow smooth thermal expansion without rattle. Serviceable two‑piece design: Reuse the aluminum hats and replace only the iron rings when worn. Made in the USA: Designed, cast, and machined in‑house to motorsport standards. A1-185 Girodisc Subaru WRX STI ('18+) Front Rotors FAQs Do these fit the factory Brembo calipers? Yes—this kit is designed to bolt directly to the OEM STI calipers. Are they suitable for daily driving? Absolutely. They’re quiet and smooth on the street yet robust enough for track days. Will they change brake bias? No. Girodisc designs maintain stock bias and work seamlessly with ABS and stability systems. Are they sold individually? No—Girodisc rotors are sold and priced per pair. Step up to Girodisc floating rotors for your WRX STI and enjoy cooler, more consistent braking with reduced fade and sharper pedal response.

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