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REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT.Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

FITS: 355x32mm Big Brake Kits REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the Giro Disc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

FITMENT (FRONT): Ford GT Thunderhill is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. REPLACEMENT ROTOR RINGS ONLY. Need new rings for your Girodisc (or Brembo or Stoptech) two-piece rotors? We've got them. Replacement rings come complete with new hardware and full instructions for re-assembly. Or, if you like, you can send us the hats and we will do all the re-assembly for only the cost of shipping. This service is available for the life of your rotors.Price is for a pair of rings and two hardware kits.

Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. Fits Audi B9 RS5 REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the GiroDisc 2-piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by GiroDisc in the USA to our own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Thunderhill is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Thunderhill is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings and hat mount together through a floating mount system which utilizes 8-10 high strength alloy steel drive pins manufactured by Girodisc in the USA to their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

Bell K1 Sport Helmet SA2025 The Bell K1 Sport SA2025 is a versatile, track-ready auto racing helmet that blends modern protection with dependable comfort. It’s built for drivers who want a predictable fit, clear vision, and reliable airflow for everything from HPDE to club racing. SA2025-rated safety with all-day track comfort BELL K1 SPORT SA2025 COMPOSITE HELMET FEATURES - Snell SA2025 certified for current auto racing requirements- Lightweight composite shell engineered for strength without excess bulk- Wide eyeport for excellent peripheral vision and easy mirror checks- Effective ventilation with front intakes and rear exhausts to help manage heat- Energy-absorbing EPS and comfort liner for stable, secure fit at speed- Removable/replaceable interior pads to fine-tune fit and keep it fresh- Pre-threaded for head-and-neck restraint hardware (posts sold separately)- Clear shield with positive seal; tear-off ready- Compatible with common hydration and radio kits (sold separately) BELL K1 SPORT SA2025 COMPOSITE HELMET SIZE CHART BELL K1 SPORT SA2025 COMPOSITE HELMET FAQ's Is the K1 Sport approved for my events? It carries the Snell SA2025 certification, which is widely accepted for track days, time trials, and most club racing series. Always confirm with your sanctioning body. How does the fit compare to other Bell helmets? It uses a familiar Bell oval/neutral shape designed to feel secure without pressure points when sized correctly. Can I install HANS posts and comms? Yes. The shell is pre-threaded for head-and-neck restraint hardware, and there’s space to route common radio and hydration accessories. Is the visor compatible with tear-offs? Yes. The shield accepts standard tear-offs and locks down firmly to maintain a clean seal at speed. Step into a proven, SA2025-certified platform that keeps vision clear and temperatures manageable, so you can focus on braking points, turn-in, and lap-time consistency. Upgrade your gear with the Bell K1 Sport Helmet SA2025 and experience uncompromising safety and comfort every time you hit the track. 

Arai CK-6 Youth Karting Helmet The Arai CK-6 is designed specifically for junior kart racers who are too small to comfortably fit and/or support the weight of an adult model SK-6 karting helmet. Meets the SNELL/FIA CMR standard for junior karting CK-6 FEATURES SRC Superior Resin shell material, developed and formulated in-house at Arai, dramatically improves the bonding properties of standard fibers, allowing the use of less material for reduced weight and lower cost. Removable/Replaceable cheek pads in optional sizes allow for custom fit when needed. Easily removable 5mm top layer of foam allows for further custom fitting. Wide and tall eye port for an exceptional field of view. Large intake vent toggles for easy operation, with large rear vents for improved ventilation. Features taken directly from the GP-6PED auto-racing helmet. Newly sculpted chin bar and ridge along lower edge of shell to improve structural integrity. Provides a stronger shell near the opening where it's needed while lowering the center of gravity. Rise in shell above the shoulders for added clearance. SPECIAL YOUTH SIZING XXS: 50-51cm XS: 52-53cm S: 54-56cm M: 57-58cm L: 59cm An effective helmet is one that fits properly. Have an assistant use a measuring tape, or a piece of string to measure the circumference of your head starting at a point approximately one inch above the eyebrows in front, around a point in the back of the head that results in the largest possible measurement, and finally wrapping back to the front. It is a good idea to take several measurements to make sure you have the largest one.

Bell Europe 500 TX Open Face Helmet New release of the 500 TX helmet Designed in accordance with current FIA and Snell standards Interior made of fire-resistant material Removable sun-peak fitted HANS clips are NOT included Features and Design Colour: Heritage White Material: fiberglass Homologation: FIA 8859-2015 Snell SA2020

Sabelt Silver Series Porsche GT2/GT3 6 Point Racing Harness Built specifically for the Porsche GT2 and GT3, these six-point racing harnesses provide all the safety and security you've come to expect from Sabelt in a package that makes adding safety to your Porsche extremely fast and easy. The harness is easily adjusted using the bright yellow tabs that pull down, making securing and releasing your harness simpler than ever. The newly designed cam lock buckle now integrates the sub belts into the fixture, heightening driver safety in the event of an impact. A number of other handy features have been added, including communication/hydration routing on top of shoulder straps and silicone grip on the underside to keep your head-and-neck restraint device securely in place while on the track.Sabelt is an industry leading manufacturer of motorsport harnesses and accessories, for good reason. FEATURES: FIA certified. New compact buckle is fully integrated with the sub belts. Easily adjusted using the yellow pull-down straps. Velcro patches on shoulder straps for securing loose ends. Communication/hydration routing on shoulder belts keep lines secure and out of the way.

OMP FIRST-S Racing Driver Suit FIA 8856-2018 HOMOLOGATED OMP's revised entry-level FIRST-S Racing suit is improved with all-new lightweight fabrics, while still maintaining its popular classic style. Its durable fire-retardant exterior is matched to a soft, knitted inner layer for improved comfort and durability. The high-quality Italian construction uses ultra-flat internal seams to prevent rubbing, and features an elastic knitted lower-back insert for improved comfort and mobility. Lighter weight than previous versions of OMP's FIRST-S, the new design includes full-floating arms for greater freedom of movement, and modern "fishbone" quilting to match the driver's ergonomics in a seated position. PROTECTION: Certified to FIA 8856-2018 homologation standard. Lightweight and breathable two-layer suit KEY FEATURES: Two-layer suit construction Soft-knitted inner material Floating arms with elastic bellows Ultra-flat anti rubbing seams Classic-fit design. Weight: 385 g/m2

Sparco Ice Vest Introducing the Sparco Ice Vest: Unleash Your Full Potential with Advanced Driver CoolingTake your racing performance to new heights with the Sparco Ice Vest, a cutting-edge solution designed to optimize driver cooling before and after races. Engineered with precision and backed by extensive research, this vest is a game-changer for drivers who prioritize peak performance and recovery. The Sparco Ice Vest was originally developed for Sparco’s professional drivers in Formula 1 and INDY Car. The Ice Vest is designed to be used before and after racing. Cooling the body core temperature before driving has proven to help driver performance. The Ice Vest uses eight reusable medical grade ice packs placed strategically in the vest. The Ice Vest has internal mesh pockets for maximum cold transfer and a waterproof membrane. The medical ice packs are non-allergenic and reusable. Available in X-Small - XXX-Large.Key Features of the Sparco Ice Vest:Advanced Cooling Technology: The Sparco Ice Vest employs state-of-the-art cooling technology to regulate body temperature effectively. By utilizing advanced materials and innovative design, it ensures rapid cooling and heat dissipation, allowing you to maintain focus and perform at your best.Pre-Race Cooling: Before stepping into the cockpit, it's crucial to prepare your body for the demanding race ahead. The Sparco Ice Vest offers superior pre-race cooling, helping to lower core body temperature and optimize your physical and mental readiness. Experience heightened concentration and stamina from the moment the race begins.Post-Race Recovery: Racing can take a toll on your body, leading to heat buildup and fatigue. The Sparco Ice Vest provides exceptional post-race cooling, aiding in the recovery process. By reducing inflammation and promoting efficient heat dissipation, it accelerates recovery time, allowing you to bounce back faster and be ready for the next challenge.Ergonomic Design for Maximum Comfort: The Sparco Ice Vest is meticulously designed for a comfortable and ergonomic fit. Its lightweight construction ensures unrestricted movement, while adjustable straps allow for a personalized and secure fit. Stay cool and comfortable throughout the race, with no compromise on performance.Durable and High-Quality: Built to withstand the rigors of motorsport, the Sparco Ice Vest is made from premium materials, guaranteeing long-lasting performance. The vest's durability ensures it can withstand the demands of intense racing environments, providing reliable cooling support race after race.Be sure you can continue to operate at your full potential on the track with the Sparco Ice Vest. Engineered for optimal driver cooling before and after races, this innovative gear is a must-have for serious racers seeking a competitive edge.Don't let heat hinder your performance or delay your recovery. Invest in the Sparco Ice Vest today and experience the power of advanced driver cooling.