CMS Performance
CMS Performance Sub Strap Mount for C7 Corvette
from $159.00
CMS Performance Sub Strap Mount for Corvette C7
This Mount Fits All Variants of the Following Cars:
Chevrolet Corvette C7 (All)
The Best Way to Mount Harness Lap and Sub Belts in Your C7 Corvette
The CMS Performance Sub Strap Mount is designed to be installed and used with your factory seats, giving you strong, secure mounting points for racing harness sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original mounting bolts.
CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap Mount provides an extremely strong structure to which you can wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace.
The CMS Performance Sub Strap Mount is designed, manufactured, and powder-coated entirely in-house in the USA.
CMS Performance Sub Strap Mount Details
Manufacturer: CMS Performance
Construction: TIG-welded solid carbon steel
Finish: satin black powder-coat
Fitment: fits driver or passenger seat
Allows full fore/aft and up/down seat adjustment
Does not interfere with OEM seat belts or airbag hardware
CMS Performance
CMS Performance Sub Strap + Lap Belt Mount | GR Supra/GR86/BRZ
from $159.00
CMS Performance Sub Strap + Lap Belt Mount for GR Supra
Fits the Following Vehicles:
Toyota GR Supra, A90/91 (2020+)
Toyota GR86 (2022+)
Subaru BRZ, ZN8 (2022+)
The Best Way to Mount Harness Lap and Sub Belts in Your Toyota/Subaru
The CMS Performance Sub Strap + Lap Belt Mount is designed to be installed and used with your factory seats, giving you strong, secure mounting points for your racing harness lap- and sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original mounting bolts.
CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap + Lap Belt Mount provides an extremely strong structure to which you can clip or bolt your harness lap belts and wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap + Lap Belt Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace.
The CMS Performance Sub Strap + Lap Belt Mount is designed, manufactured, and powder-coated entirely in-house in the USA.
CMS Performance Sub Strap + Lap Belt Mount Details:
Manufacturer: CMS Performance
Manufacturer part no.: CMS-SL-001
Construction: TIG-welded solid carbon steel
Finish: satin black powder-coat
Fitment: fits driver or passenger seat
Allows full fore/aft and up/down seat adjustment
Does not interfere with OEM seat belts or airbag hardware
CMS Performance
CMS Performance Sub Strap + Lap Belt Mount | Toyota GR Corolla
from $159.00
CMS Performance Sub Strap + Lap Belt Mount for Toyota GR Corolla
Fits the Following Vehicles:
Toyota GR Corolla (2023+)
The Best Way to Mount Harness Lap and Sub Belts in Your GR86/BRZ
The CMS Performance Sub Strap + Lap Belt Mount is designed to be installed and used with your factory Toyota GR seats, giving you strong, secure mounting points for racing harness lap- and sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original seat mounting bolts.
CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap + Lap Belt Mount provides an extremely strong structure to which you can clip or bolt your harness lap belts and wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap + Lap Belt Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace.
The CMS Performance Sub Strap + Lap Belt Mount is designed, manufactured, and powder-coated entirely in-house in the USA.
CMS Performance Sub Strap + Lap Belt Mount Details:
Manufacturer: CMS Performance
Manufacturer part no.: CMS-SL-005
Construction: TIG-welded solid carbon steel
Finish: satin black powder-coat
Fitment: fits driver or passenger seat
Allows full fore/aft and up/down seat adjustment
Does not interfere with OEM seat belts or airbag hardware
Sparco
Sparco Stealth Helmet Top Air
$29.00
Sparco Helmet Top Air
The Sparco Helmet Top Air is designed to deliver cool, filtered air directly into your Sparco Stealth RF full-face helmet. Perfect for endurance racing and hot-weather conditions, this vent connects seamlessly to your air pump system to maintain driver comfort and focus during intense competition.
Efficient Cooling for Peak Performance
Built for the Sparco Stealth RF (FIA 8859-2024) helmet, this Top Air vent channels fresh air evenly across the visor and head area to reduce fogging and heat buildup. Its durable, lightweight construction ensures a secure fit while maintaining the helmet’s aerodynamic design and FIA safety compliance.
Features
• Compatible with Sparco Stealth RF (FIA 8859-2024) helmets• Connects helmet directly to an external air pump system• Provides steady airflow for cooling and anti-fog performance• Lightweight and impact-resistant polymer construction• Available in black finish• Sizes: Small (fits XS–ML helmets) and Large (fits L–XXL helmets)• Easy installation and removal without tools
Sparco Helmet Top Air FAQs:
Which helmets is this vent compatible with? The Sparco Helmet Top Air is specifically designed for Sparco Stealth RF full-face helmets that meet the FIA 8859-2024 standard.
What does the Top Air do? It connects to your air pump system to deliver cool, fresh air into the helmet, helping reduce fogging and overheating during long races.
How do I choose the correct size? The small vent fits helmets sized XS through ML, while the large vent fits L through XXL. Choose based on your helmet’s size label.
Is it easy to install? Yes. The vent attaches directly to the top port of the Stealth RF helmet and can be installed or removed quickly without tools.
Can this be used with any air system? It works with most standard helmet air pump systems used in racing vehicles. Check for compatible hose fittings before installation.
Stay cool, comfortable, and race-ready with the Sparco Helmet Top Air —precision-engineered to enhance airflow and focus inside your Sparco Stealth RF helmet.
Sparco
Sparco Stealth Rear Spoiler
$12.00
Sparco Stealth Rear Spoiler
The Sparco Stealth Rear Spoiler is a professional-grade aerodynamic upgrade engineered to improve helmet balance, airflow, and high-speed stability. Designed for Sparco Stealth RF helmets, this spoiler helps reduce drag and lift while enhancing downforce—keeping your head steady and focused during long, high-speed runs.
Optimized Downforce and Aerodynamic Control
Built from lightweight, high-strength polymer, the Sparco Stealth Rear Spoiler integrates perfectly with the helmet’s rear contour for a factory-fit appearance. Developed through aerodynamic testing, this spoiler channels airflow cleanly over the helmet to minimize turbulence and improve performance under racing conditions.
Features
• Precision-fit for Sparco Stealth RF series helmets• Improves aerodynamic efficiency and stability• Reduces drag and lift at high speeds• Lightweight and durable clear polymer construction• Wind tunnel tested for maximum balance• Includes adhesive backing for easy, no-drill installation• OEM Sparco accessory for factory-quality integration
Sparco Stealth Rear Spoiler FAQs:
Which helmets does the rear spoiler fit? The Sparco Stealth Rear Spoiler is specifically designed for the Sparco Stealth RF helmet lineup and integrates perfectly with its aerodynamic shell shape.
How does the rear spoiler improve performance? The spoiler reduces turbulence and increases rear downforce, enhancing helmet stability and comfort at racing speeds.
Is installation permanent? No. The spoiler attaches using high-quality adhesive tape, allowing secure mounting without drilling or structural modification.
Can I use both the front and rear spoilers together? Yes. Installing both provides the most balanced aerodynamic profile, reducing lift and improving stability across a range of speeds.
Does the spoiler affect helmet certification? No. The rear spoiler is a Sparco OEM accessory designed to work within homologation tolerances when correctly installed.
Maximize aerodynamic performance and maintain professional-level stability with the Sparco Stealth Rear Spoiler—crafted to deliver precision airflow control for racers who demand every advantage.
Sparco
Sparco Stealth Front Spoiler
$15.00
Sparco Stealth Front Spoiler
The Sparco Stealth Front Spoiler is a high-performance aerodynamic upgrade designed for Sparco’s Stealth RF series helmets. Developed through wind tunnel testing, this spoiler enhances helmet stability at high speeds by reducing lift and improving airflow efficiency—helping drivers stay focused and in control, even in the most demanding racing conditions.
Aerodynamic Precision for Peak Helmet Stability
Crafted from lightweight, durable materials, the Sparco Stealth Front Spoiler integrates seamlessly with the helmet’s profile. It minimizes buffeting and turbulence, improving downforce and reducing fatigue during long stints. Whether you’re on a road course, oval, or endurance circuit, this spoiler delivers a measurable performance advantage and a professional-grade look.
Features
• Designed exclusively for Sparco Stealth RF helmets• Reduces aerodynamic lift and helmet movement• Lightweight, high-strength polymer construction• Wind tunnel tested for maximum stability• Improves airflow and reduces neck strain• Easy to install with included adhesive backing• Clear finish for a seamless OEM appearance
Sparco Stealth Front Spoiler FAQs:
What helmets are compatible with this spoiler? The Sparco Stealth Front Spoiler is engineered for Sparco STEALTH RF helmets and fits perfectly with the helmet’s factory contour.
Does the spoiler really make a difference at speed? Yes. The aerodynamic design significantly reduces helmet lift and buffeting at higher speeds, increasing driver comfort and stability.
Is this spoiler available in different colors? The spoiler is available in a clear finish to maintain the helmet’s sleek, factory appearance and comply with most racing series requirements.
How do I install the Sparco STEALTH Front Spoiler? Installation is quick—simply clean the helmet surface, align the spoiler, and apply the adhesive backing. No drilling or permanent modification is required.
Is this spoiler FIA-approved? The spoiler is an OEM Sparco accessory and designed to maintain compliance with helmet homologation standards when properly installed.
Enhance your aerodynamics and professional edge with the Sparco Stealth Front Spoiler—precision-built to keep you stable, streamlined, and race-ready at every turn.
Sparco
Sparco Stealth Visor Fastener Kit
$25.00
Sparco
A2-240 Visor Fastener Kit
The Sparco Stealth Visor Fastener Kit provides the perfect solution for maintaining a secure, smooth-operating fit between your helmet and visor. Engineered specifically for Sparco’s Stealth RF series helmets, this precision hardware set ensures your visor remains tight, properly aligned, and easy to open or close during competition.
Precision Hardware for Race-Ready Performance
Each fastener kit is crafted to the same high standards as Sparco’s professional racing helmets, providing exact replacement hardware to keep your setup functioning like new. Whether you’re replacing worn-out parts or maintaining your helmet for optimal performance, the Stealth Visor Fastener Kit delivers reliability and durability lap after lap.
Features
• Designed for Sparco Stealth RF series helmets• Complete replacement hardware for visor installation• Includes mounting screws, washers, and tension components• Lightweight and corrosion-resistant construction• Ensures smooth visor operation and secure locking• Easy to install with basic tools• Official Sparco replacement part for Stealth helmets
Sparco STEALTH Visor Fastener Kit FAQs:
Which helmets does this fastener kit fit? The Sparco Stealth Visor Fastener Kit is designed for Sparco Stealth RF helmets and compatible variants within the same shield system.
What’s included in the kit? The kit includes all essential mounting hardware—screws, washers, and retention fittings—to fully secure your visor assembly.
Is installation difficult? Installation is quick and simple using basic hand tools. It’s recommended to follow Sparco’s maintenance guide for best alignment and tension adjustment.
Can I use this kit on older Sparco helmets? It is specifically designed for the Stealth RF line, though it may fit other models using the same fastener configuration. Verify compatibility before purchase.
How often should I replace visor hardware? Racers who frequently remove or adjust visors should replace hardware periodically to maintain a secure fit and smooth motion.
Keep your helmet performance at its peak with the Sparco Stealth Visor Fastener Kit—precision-engineered replacement hardware built for serious racers who demand reliability and speed on every lap.
Sparco
Sparco Stealth Tear-Off Kit(Pack of 5)
$30.00
Sparco Stealth Tear-Off Kit
The Sparco Stealth Tear-Off Kit is designed to give you crystal-clear vision in any racing condition. Built for drivers who demand precision and clarity, this kit allows quick removal of dirt, rubber, and debris from your visor with a simple pull—keeping your focus locked on the track where it belongs.
Professional-Grade Visibility for Serious Racers
Developed to fit Sparco Stealth helmet shields, each tear-off is made from ultra-clear, distortion-free film that resists fogging and scratching. Whether you're running sprints, endurance events, or karting sessions, these tear-offs ensure uninterrupted visibility lap after lap. The layered design makes it easy to strip away grime without slowing down, ideal for fast pit stops or extended sessions.
Features
• Compatible with Sparco Stealth RF and full-face helmets• Ultra-clear optical film with anti-scratch coating• Stackable multi-layer design for quick removal• Maintains optical clarity under sunlight and artificial lighting• Lightweight and precision-cut for perfect fit• Easy installation and replacement• Sold as a complete kit for multiple sessions
Sparco Stealth Tear-Off Kit FAQs:
Which helmets are compatible with this tear-off kit? The Sparco Stealth Tear-Off Kit is designed specifically for Sparco Stealth RF helmet visors and may also fit select Sparco models with similar shield geometry.
How many tear-offs are included in the kit? Each kit includes multiple tear-off films, allowing for several track sessions before restocking.
Are these tear-offs reusable? No. Each layer is meant for one-time use to maintain perfect optical clarity once debris accumulates.
Do the tear-offs affect vision clarity? Not at all. The film is engineered for zero visual distortion, maintaining sharp focus even under direct sunlight or night lighting.
How do I install the tear-offs? Simply align the holes with the mounting posts on your Sparco STEALTH RF visor and stack the desired number of layers before your session.
Stay sharp and race-ready with the Sparco Stealth RF Tear-Off Kit—essential gear for maintaining peak visibility in every lap, every condition.
Sparco
Sparco Helmet Shields (Stealth RF)
$85.00
Sparco Helmet Shields (Stealth RF)
The Sparco Helmet Shields (Stealth RF) are designed to give you optimal clarity, visibility, and protection on track. Engineered from high-grade optical materials, these visors ensure minimal distortion while offering advanced anti-fog and anti-scratch coatings. Whether you’re running under blazing sun or in evening sessions, the Stealth RF shield keeps your vision sharp and your focus locked on the apex.
High-Performance Clarity for Racing Precision
Developed for Sparco’s premium racing helmet lineup, the Stealth RF visor delivers exceptional light management and UV defense. It’s built to handle everything from bright daylight to low-light endurance conditions, ensuring peak optical performance in all environments. The aerodynamic curvature minimizes wind resistance while maintaining a sleek, professional look for serious racers.
Features
• Compatible with Sparco full-face helmets (RF series)• Optically correct for distortion-free vision• Advanced anti-fog and anti-scratch coatings• UV-resistant for maximum eye protection• Available in multiple tints for varying light conditions• Easy tool-free installation and replacement• Lightweight and impact-resistant construction
Sparco Helmet Shields (Stealth RF) FAQs:
Are these shields compatible with all Sparco helmets? The Stealth RF shields are specifically designed for Sparco RF-series helmets, ensuring a perfect fit and seal.
Do the STEALTH RF shields come in different tints? Yes. They’re available in clear, light smoke, dark smoke, mirrored, and iridium finishes for various lighting conditions.
How do I clean my Sparco helmet shield? Use mild soap and water with a microfiber cloth. Avoid harsh cleaners that can damage the anti-fog coating.
Can I use this shield for night racing? Absolutely. The clear or light smoke variants are ideal for low-light or night track sessions.
Does this shield fit older Sparco models? It’s compatible with most recent RF-series helmets but not older GP or WTX models. Check your helmet’s model number before purchasing.
Upgrade your vision and protection with the Sparco Helmet Shields (Stealth RF) — engineered for racers who demand uncompromising clarity and performance on every lap.
CMS Performance
CMS Performance Rear Seat Delete Toyota GR Corolla (2023+)
$399.00
CMS Performance Rear Seat Delete For Toyota GR Corolla
The CMS Performance Rear Seat Delete for the Toyota GR Corolla is specifically designed and manufactured by CMS Performance in the USA to fit seamlessly with the CMS Performance Roll Bar for Toyota GR Corolla. While it will fit the Toyota without the roll bar, it has cut-outs to allow the tubing of the CMS Performance roll bar to pass through.
CMS Performance
CMS Performance Roll Bar for Toyota GR Corolla (2023+)
$2,495.00
CMS Performance Bolt In Roll Bar
This Roll Bar Fits The Toyota GR Corolla GZEA14 (2023+)
The Superior Bolt-In Roll Bar for the GR Corolla
The CMS Performance Roll Bar is the strongest, safest, most beautifully constructed bolt-in roll bar on the market for the GR Corolla. Engineered with a premium placed on safety and structural rigidity, the exceptional design of the CMS Performance Roll Bar integrates perfectly with the car's sporty, rally-inspired interior. CMS Performance uses only advanced Docol R8 Advanced High-Strength Steel tubing throughout each roll bar, giving you unequalled tensile strength, impact absorption, and occupant protection. Docol R8 is 15% stronger than 4130 CrMo steel and 30% stronger than mild (DOM) steel used by other roll bar manufacturers.
This makes the CMS Performance Roll Bar for the GR Corolla superior in every way, including resistance to deformation, weld integrity, and energy dissipation. The one-piece main hoop with fully-integrated X-bracing and harness bar bolts directly to the chassis, forming the backbone of the CMS Performance Roll Bar. The rearward kickers are optimized for support in a roll-over event while maintaining an unobstructed rear view for the driver. The main hoop cross bar is designed to locate your racing harness shoulder straps at the proper angle (0° to -20° front-to-back) to the driver's shoulders regardless of seat position.
True Bolt-In Installation Without Sacrificing Safety or Looks
Installation instructions are here
The CMS Performance Roll Bar bolts directly to chassis strong points without the need for any significant modifications to the chassis or use of under-car backing plates.
Full 360o TIG welding throughout gives the CMS Performance Roll Bar unsurpassed strength and durability. No welding or chassis cutting is involved in installation – a truly plug-and-play roll bar!
Exceptional Color Options Set CMS Performance Apart
Each CMS Performance roll bar includes custom powder coating in your choice of color-matched factory paint colors for your GR Corolla1! You don't have to settle for generic black, white, red, or yellow. CMS Performance can also powder coat your roll bar in one of our amazing technical colors, such as the astoundingly cool Superchrome! And, of course, there's always our rich satin black option for a stealthy installation.
Custom Made Rear Seat Delete Kit Available
CMS Performance offers an optional customized rear seat delete kit made specifically for the GR Corolla. It is specially modified to fit the CMS Performance Roll Bar, giving your installation an amazing factory-finished look.
CMS Performance: The Best Products At The Best Price
An unwavering focus on cutting-edge materials, unsurpassed design & construction, and premium fit & finish has propelled CMS Performance roll bars to the top of the industry. The CMS Performance GR Corolla Roll Bar is the latest addition to our growing catalog, offering unsurpassed safety, integrity, design and customization to customers taking this amazing car to the next level on the street or at the track.
CMS Performance Roll Bar Details
Manufacturer: CMS Performance
Manufacturer Part: CPRB-GRCOR
Materials: 1.75″ X .095" Docol R8 Advanced High Strength Steel
Features: One-piece main hoop for superior strength and occupant safety; proprietary kicker design eases installation while maintaining exceptional strength
CNC-cut mounting plates
CNC machined high-strength-steel interlocking joints
Allows full seat travel with virtually any seat
All USA-made Grade 8 hardware included
Comes with detailed installation instructions
1 Note: powder coat colors are professionally matched to be as close as possible to factory paint codes. However, color-matching powder is not the same as mixing liquid paint. In a few cases, slight variance from the OEM paint color is normal and is imperceptible with the roll bar installed inside the car.
This product is intended for off-road race track use only.
Sparco
Sparco Stealth RF Carbon Helmet (FIA 8859-2024 / SA2025)
$1,149.00
Sparco Stealth RF Carbon | FIA 8859-2024 / SA2025
The Sparco Stealth RF Carbon Helmet is built for racers who demand elite protection and comfort at the highest levels of motorsport. With a lightweight carbon fiber shell that exceeds the newest FIA 8859-2024 and Snell SA2025 standards, it delivers unmatched strength and energy absorption without the bulk. Sparco’s advanced ventilation system keeps you cool under pressure, while the fire-retardant, removable linings ensure lasting comfort throughout endurance sessions. Every detail of this helmet is engineered to perform—ready to race straight out of the box with factory-installed HANS/FHR posts.
Pure Carbon Performance. Pure Racing Focus.
Sparco Stealth RF Carbon Features
Lightweight Carbon Fiber Shell: Constructed from ultra-strong carbon fiber to minimize neck fatigue and maximize protection while maintaining an optimal weight balance.
Efficient Ventilation System: Multiple air intakes on the chin bar and top, combined with rear exhaust ports, help regulate airflow and reduce heat build-up during long stints.
Removable Fire-Retardant Linings: Easily removable and washable interior linings keep your helmet fresh and race-ready.
Optional Drink System Compatibility: Integrated ports make it simple to connect an optional hydration system for endurance events.
3-Position Adjustable Visor: Adjustable visor positions provide tailored airflow and visibility for varying track conditions.
Central Locking Visor Mechanism: The secure locking system ensures a firm seal and reliability at high speeds.
Factory-Fitted FHR Posts: Supplied ready for HANS/FHR use, meeting professional racing safety standards.
Dual Shell Sizes: Available in two shell sizes for precise fit and comfort.
Seven Size Options: Covers a wide range of head sizes to achieve a perfect racing fit.
Certifications: FIA 8859-2024 and Snell SA2025 approved for use in professional and amateur motorsport worldwide.
Sparco Stealth RF Carbon FAQs
Is the Sparco Stealth RF Carbon legal for FIA-sanctioned events? Yes, it meets FIA 8859-2024 and Snell SA2025 standards, making it approved for all major motorsport disciplines.
Does this helmet include HANS posts? Yes, it comes pre-installed with factory-fitted FHR (HANS) posts, ready for immediate use.
What sizes are available? The Stealth RF Carbon is offered in seven sizes across two shell molds, ensuring optimal comfort and fit.
Can I add a drink system? Yes, the helmet is pre-configured for an optional drink system setup, ideal for endurance and GT racing.
How do I clean the interior? The interior fire-retardant linings are removable and washable, allowing easy maintenance between races.
Take your racing experience to the next level with the Sparco Stealth RF Carbon Helmet — precision-built for uncompromised safety, cooling, and performance lap after lap.
Sparco
Sparco Stealth RF Helmet |FIA 8859-2024-SA2025
$789.00
Sparco Stealth RF (SA2025)
The Sparco Stealth RF helmet combines advanced motorsport protection with comfort and precision fit. Constructed from a lightweight fiberglass shell, it exceeds FIA 8859-2024 and Snell SA2025 standards—delivering top-tier safety without unnecessary weight. Designed for racers who demand confidence behind the wheel, it’s engineered for superior impact absorption, ventilation, and long-term comfort.
Lightweight Protection, Race-Ready Design
Every element of the Stealth RF was created to enhance performance under pressure. Its aerodynamic shell keeps you stable at speed, while the efficient multi-vent system prevents heat buildup so you can stay focused through the longest stints. The removable fire-retardant lining keeps you cool and clean, and the helmet comes ready with factory-installed HANS posts for immediate use on track.
Features
• Lightweight fiberglass shell exceeding FIA 8859-2024 and Snell SA2025 standards• Advanced ventilation with front chin and top intakes plus rear exhaust ports• Removable, washable fire-retardant lining for long-term freshness• Optional drink-system compatibility for endurance racing• Three-position adjustable visor for optimized airflow and clarity• Central locking visor mechanism for a secure, race-grade seal• Factory-installed FHR (HANS) posts ready for use• Dual shell sizes for ideal fit and weight balance• Seven available sizes to accommodate a wide range of drivers
Sparco STEALTH RF FAQs:
Is the Stealth RF certified for competition? Yes. It meets both FIA 8859-2024 and Snell SA2025 homologation standards, making it eligible for most major racing series.
Can I remove and wash the interior? Yes, the fire-retardant liner is fully removable and washable for easy cleaning between events.
Does it include HANS posts? The Stealth RF comes from the factory with FHR (HANS) posts installed and ready to use.
Is a drink system supported? Yes. The helmet is pre-drilled to accommodate an optional drink-tube setup for endurance and long-distance racing.
The Sparco Stealth RF offers elite-level safety and comfort in one streamlined package—built for drivers who take every lap seriously.
Antigravity
Antigravity ATZ10-HD RE-START Lithium Battery
$279.99
Antigravity ATZ10-HD RE-START Lithium Battery
The Antigravity ATZ10-HD RE-START Lithium Battery is the heavy-duty version of the popular ATZ-10 RS. Designed for riders who need maximum power and reliability, it features built-in jump-starting technology and an impressive 50% increase in capacity over the standard model. With 9Ah of real capacity and 525 cranking amps, this battery outperforms any similar-sized lithium battery on the market.
High-Capacity, Lightweight Power
This ATZ10-HD version replaces the common YTZ10S lead-acid battery used in many sport, ADV, and off-road motorcycles. Despite offering up to double the cranking amps of a standard battery, it weighs just 3.15 lbs. The standardized case size (5.9 x 3.46 x 3.62 inches) makes it a direct OEM replacement that can be mounted in any orientation.
Features
- Built-in RE-START Technology allows you to start your vehicle even after full discharge.- Advanced Battery Management System (BMS) with protections for over-discharge, over-charge, and thermal safety.- 50% larger internal capacity than the standard ATZ10, delivering longer runtime and stronger starts.- Lightweight LiFePO4 chemistry — up to 70% lighter than lead-acid batteries.- Four-terminal design for flexible installation and polarity alignment.- Low self-discharge for extended storage periods.- Shock and vibration-resistant for racing and off-road use.- Environmentally safe with no acid or heavy metals.
Specifications
Cranking Amps: 525Capacity: 18Ah (PbEq) / 9Ah (Actual) / 115WhDimensions (LxWxH): 5.9 x 3.46 x 3.62 inWeight: 3.15 lbsChemistry: LiFePO4 Lithium with full BMSCase Size: YTZ10S equivalentNot for automotive applications
FAQs: Antigravity ATZ10-HD RE-START Lithium Battery
How does the RE-START feature work? The battery monitors its charge and enters a low-power sleep mode before full discharge. Press the RE-START button (or use the optional remote) to activate jump-start mode and restart your vehicle.
Can I use this battery in a car? No. The ATZ10-HD is designed exclusively for motorcycles, ATVs, and powersport vehicles.
What vehicles is this compatible with? It’s a direct replacement for YTZ10S-size batteries used in many ADV, touring, and sport motorcycles up to 1400cc.
Is a charger required? No special charger is required, but Antigravity recommends lithium-compatible chargers for optimal battery health.
How long can it sit unused? With low self-discharge, it can sit 3x longer than lead-acid batteries, but should be checked every 4–6 months if connected to accessories with parasitic draw.
Upgrade your motorcycle’s starting performance with the Antigravity ATZ10-HD RE-START Lithium Battery — powerful, lightweight, and built for the toughest riders.
CMS Performance
CMS Performance Roll Bar for Lotus Emira (2024+)
$2,495.00
CMS Performance Bolt In Roll Bar For Lotus Emira (2024+)
The Premium Roll Bar for the Incredible New Lotus Emira
Introducing the CMS Performance Roll Bar for the all-new, amazing Lotus Emira! The powerful new Lotus promises to be a hoot on the track-day circuit, so we got to work right away engineering a bolt-in roll bar that lives up to Competition Motorsport's tradition of building the strongest, safest, most beautifully constructed roll bars on the market. The new CMS Performance roll bar for the Emira delivers on all points!
Roll Bar Engineered For Performance and Safety
Conceived from the ground up with a premium on safety and structural rigidity, the exceptional design of the CMS Performance Emira roll bar integrates perfectly with the Emira's luxury/sport interior. CMS uses advanced Docol R8 Advanced High-Strength Steel tubing throughout our roll bars, giving you unequalled tensile strength and occupant protection. Docol R8 is 15% stronger than 4130 CrMo steel and 30% stronger than mild (DOM) steel used in other bolt-in roll bars. It is superior in every way: resistance to deformation, weld strength, and energy dissipation.
The one-piece main hoop with fully-integrated X-bracing and harness bar bolts directly to the Lotus chassis, forming the backbone of the CMS Performance roll bar. Rearward kicker supports are optimized for support in a roll-over event while maintaining an unobstructed rear view. The harness bar is specifically designed to locate racing harness shoulder straps at the proper angle (0° to -20°) to the driver's shoulders regardless of seat position.
Click Here For Installation Instructions
Cutting Edge Materials and American Made Craftsmanship
The CMS Performance Lotus Emira Roll Bar is designed to bolt directly to the Emira chassis strong points without the need for any modification of existing interior trim or use of backing plates.
Full 360o TIG welding throughout gives the CMS Performance Roll Bar unsurpassed strength and durability. Each roll bar includes custom powder coating in your choice of matched Lotus Emira factory colors1. Or go with a custom technical color like the amazing Superchrome (check it out in the photos above!) We have access to over 5,000 powder coat colors, so if you need a color not on the list, just give us a call and we'll make sure your Emira roll bar has the look you like!
A Beautiful Beast of a Lotus Emira Roll Bar
Our unwavering focus on using cutting-edge materials, unsurpassed design & construction, and premium fit & finish has taken CMS Performance roll bars to the top of the industry. The Lotus Emira roll bar is the latest addition to our growing catalog, bringing safety, integrity, and beauty to customers taking their new Emira to the track.
CMS Performance Lotus Emira Roll Bar Add-Ons
Add Schroth Profi II ASM or Sabelt Steel Series four-point harnesses give you increased on-track safety using your factory Lotus seats.
CMS Roll Bar Harness Collars help keep your harness shoulder straps located right where you want them.
CMS Performance Lotus Emira Roll Bar Details
Manufacturer: CMS Performance
Manufacturer part no.: CPRB-Emira
Materials: 1.75″ X .095" Docol R8 Advanced High Strength Steel tubing
Construction: fully TIG welded one-piece main hoop and three-piece kickers ease installation while maintaining exceptional strength
Precision-cut mounting plates
Designed, manufactured, and finished in the USA
CNC machined high-strength-steel interlocking joints
Allows full seat travel with virtually any seat
American-made Grade 8 hardware included
Detailed installation instructions
1 Note: powder coat colors are professionally matched to be as close as possible to factory paint codes. However, color-matching powder is not the same as mixing liquid paint. Slight color variance is normal and is not perceptible with the roll bar installed inside the car.
This product is intended for off-road race track use only.
CMS Performance
CMS Performance Ultimate Race Seat Mounting Kit for BMW M4 (F82)
from $399.00
CMS Performance Ultimate Race Seat Mounting Kit
This Kit Fits the Following Vehicles:
BMW F82 M4 (2015-2020)
Introducing Our Complete Race Seat Mounting Kit: The Ultimate Upgrade for Motorsports Enthusiasts!
Are you a racing or track-day aficionado looking to upgrade your on-track safety and performance? Look no further than the CMS Performance Ultimate Racing Seat Mounting Kit. One of the very best upgrades you can make for driving your BMW on the race track is adding a dedicated racing seat.
CMS Performance designed this kit to give you a complete solution to installing your choice of seat in your BMW. No mixing-and-matching, hunting for parts and wondering whether it'll all work together. The CMS Performance Ultimate Race Seat Mounting Kit has everything you need!
Precision Engineering for BMW Excellence
The CMS Performance Ultimate Race Seat Mounting Kit is precision- engineered, tailor-made to fit a variety of race seats safely and securely in your Porsche. Crafted with meticulous attention to detail from 3/16" carbon steel, this kit draws on our many years of experience with track-prepped Porsches. Let CMS Performance help you unlock the full potential of your high-performance BMW on the race track.
Custom Powder Coat to Match Your BMW
The CMS Performance Ultimate Race Seat Mounting Kit comes standard in a durable satin black finish powder coat. CMS Performance can also custom powder-coat your kit in just about any BMW OEM paint color you like. Simply choose "Custom Color" in the dropdown above and specify the BMW color you want in your Order Notes at check-out.
See Assembly Instructions Here
CMS Performance Ultimate Race Seat Mounting Kit Includes:
Mounting base w/ integrated sub strap bar (bolts securely to factory BMW seat mounting holes)
Two steel side-mount race seat brackets
All necessary hardware (Grade 8)
Optional: high-performance race seat slider
Detailed installation instructions
Key Features of This Kit:
Race-Ready Compatibility: Designed to seamlessly integrate with a wide range of racing seats from Sparco, OMP, Racetech and Sabelt. Our mounting kit ensures a perfect fit on the driver and/or passenger side of your BMW. CMS Performance has you covered.
Fully Integrated: The CMS Performance kit includes everything you need to install a racing seat in your BMW. No mixing-and-matching, so you can spend less time installing and more time racing.
Lightweight Durability: Constructed from premium materials, our kit prioritizes strength without compromising on weight. The integrated design puts a premium on maintaining structural integrity.
Customization Options: Tailor your installation to perfection with multiple options, including racing sliders and custom powder-coat colors.
Enhanced Safety: Safety is paramount in motorsports, and our kit doesn't cut corners. It's designed to meet or exceed industry safety standards, keeping you protected during the most demanding races.
Quick and Easy Installation: The CMS Performance Racing Seat Mounting Kit is engineered for straightforward installation and precise fitment.
Not included: CMS Performance roll bar and race seats are available separately.
Seat mounting kit is shown with optional Recaro seat slider.