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Longacre Longacre Standard 2.0" Tire Gauge (0-60 psi) $34.99
Longacre Standard 2.0" Tire Gauge Measures from 0 to 60 psi in 1 psi increments The Longacre Standard 2" glow-in-the-dark Tire Pressure Gauge is an affordable trackside favorite, with its wide 0-60 psi measurement range and 1 psi increments. This makes it easy to throw in your race-day bag or your glove box. The glow-in-the-dark dial gives you accurate pressure readings in all light conditions. LONGACRE STANDARD 2.0" TIRE GAUGE DETAILS Manufacturer: Longacre Racing Manufacturer Part Number: 52-52004 Measurement range: 0-60 psi Measurement increments: 1 psi Air pressure release button: one Internal gauge damper for more accurate readings and longer life Flexible 14" hose with angle chuck installed (also includes ball chuck) 2.0" glow-in-the-dark dial face
Complete Single Color Vinyl Number Package
Discovery Parts Complete Single Color Vinyl Number Package $34.95
Complete Single-Color Vinyl Number Package Cut from premium 3M or Oracal intermediate seven-year vinyl, the Complete Single-Color Vinyl Number Package includes the following: (2) 10-inch door numbers (1) 10-inch hood number (1) 4-inch tail number (4) 4-inch racing class abbreviations (1) driver's name in Script font, 10 inches wide Vinyl Color: choose a strongly-contrasting color to your vehicle's exterior. Font: Choose your favorite! Change fonts next time for a different look.
Paragon 3
Paragon Pro Inc. Paragon 3" Air Hose (5ft) $33.99
Paragon 3.0" Air Supply Hose (5 Feet) Paragon’s 3” diameter x 5’ length Air Hose is designed to work with most NACA ducts on the market, channeling fresh air from outside the car to feed your Paragon 240 CFM blower. When connected to a Viking Pro Cooler, this provides optimized cool air flow into your helmet for excellent head cooling. Paragon 3.0" Air Supply Hose Details Manufacturer: Paragon Manufacturer part no.: 03-45000 Hose OD: 3.0" Hose length: 5 feet Weight: 2 lbs.
Racing Optics (X-Stack) - Impact Helmet Shields Tear Off
Racing Optics Racing Optics (X-Stack) - Impact Helmet Shields Tear Off $33.95
Racing Optics (X-Stack) - Impact Helmet Shields Racing Optics has the most optically advanced tear-off technology. 10 layer "distortion free" laminated tear-off system for many Impact helmets. Protect your Impact Helmet shield from rocks, dirt, and debris and extend the life of your shield by drastically reducing pitting and scratches. Racing Optics is a laminated tear-off solution for dirt and pavement forms of racing eliminating the need to apply individual tear-offs. Racing Optics has the most optically advanced tear-off technology. 10 layer "distortion free" laminated tear-off system for many Impact shields. Protect your Impact Helmet shield from rocks, dirt, and debris and extend the life of your shield by drastically reducing pitting and scratches. For racers who prefer thinner tear-offs, Racing Optics is available in X Stack (10 per stack) 2 mil with patterns specific to many Impact helmets. Each sleeve comes with three stacks of 10 Racing Optics. (total of 30) Racing Optics (X-Stack) - Impact Helmets Details: Qty in one stack: 10 Thickness: 2 mil Stacks in one package: 3 Post centers: 12 1/8" Shape: Banana Racing Optics (X-Stack) - Impact Helmets Fitment Guide: Impact Vapor Impact Vapor SC Impact Air Vapor Impact Charger Impact Super Charger Impact Draft Scorpion Exo-R2000
SPA Technique Internal Fire Discharge Button
SPA Technique SPA Technique Internal Fire Discharge Button $33.00
SPA Technique Internal Fire Button w/ Shroud Spa Technique Replacement Internal Discharge Button w/ Safety Shroud. Used in every Spa Technique electrically discharged fire system, this is an exact SPA replacement Internal Fire System Discharge Button with a red safety guard cover to prevent accidental discharge. SPA Technique Internal Fire Button w/ Shroud Details: Manufacturer: Spa Technique Manufacturer part number: SSP 011 Button Color: Red Contacts: 2 Shroud included: Yes Shroud color: Red Quantity in kit: One
SPA AFFF Discharge Nozzle 6mm
SPA Technique SPA AFFF Discharge Nozzle 6mm $33.00
SPA Technique AFFF Discharge Nozzle - 6mm SPA Technique Discharge Nozzle for 6mm Decabon tubing used with SPA fire systems. If you need a replacement SPA fire system discharge nozzle, this is the part. Can I run this SPA Technique Discharge Nozzle with my aluminum line from another manufacturer? You can't. SPA Technique Decabon tubing and fittings are unique unto themselves and are not interchangeable with other manufacturers. Should I add more SPA Technique Discharge Nozzles to my system than it originally came with? You shouldn't. SPA Technique designs each fire system with a precise number of nozzles accounting for the amount of fire suppressant in the fire bottle. Adding nozzles may leave you with too little suppressing agent where you need it most. SPA AFFF Discharge Nozzle 6mm Details: Manufacturer: SPA Technique Manufacturer part number: SP-030 Trade name: Discharge Nozzle Usage: replacing a lost or damaged SPA Discharge Nozzle
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Longacre Battery Disconnect Switch - 2 Terminal
Longacre Longacre Battery Disconnect Switch - 2 Terminal $32.99
Longacre Battery Disconnect Switch - 2 Terminal Longacre 45750 Battery Disconnect Switch with rotary Battery Disconnect. 175 Continuous AMP Rating stops the most powerful engines. Longacre Battery Disconnect Switch - 2 Terminal Details: Manufacturer: Longacre Manufacturer part number: 47550 Manual battery disconnect switch with a bright red handle Easier to find in an emergency Prevents battery drain 175 amp continuous rating, 6-36 volt, 1000 peak   Longacre 45750 Specifications Switch Activation: Manual Switch Actuation: Rotary Voltage Rating: 6-36 volts Continuous Amperage Rating: 175 amps Peak Amperage Rating: 1000 amps Alternator Disconnect Included: No Weatherproof: No Mounting Panel/Bracket Included: No Mounting Hole Size: 0.730" Body Diameter (At largest Point): 2.647" Body Depth (From end of threads to lock washer): 2.980" Overall Depth: 4.216"
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Alpinestars KX v2 Karting Balaclava - Competition Karting
Alpinestars Alpinestars KX v2 Karting Balaclava $32.95
Alpinestars KX v2 Karting BalaclavaAlpinestars KX v2 Karting Balaclava is optimized for track-day performance with reliable cooling, lightweight construction, and race-ready durability. Alpinestars KX v2 Balaclava Summer is extremely lightweight and thin, while being incredibly soft to the touch for greatly enhanced comfort when wearing a full face helmet, and has extensive mesh panels on the rear for optimum levels of breathability.
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Simpson Performance Products Simpson Racing Sliding Tether (Replacement) $32.95
Simpson Racing Hybrid Sliding Tether More Freedom. Same Safety. All Speed. When you're chasing lap times and pushing the limits, the last thing you want is a neck restraint that fights you. The Simpson Racing Hybrid Sliding Tether is engineered to work with your movement, not against it—offering enhanced head mobility without compromising safety. Whether you're flat-out in a GT car or trail braking into a tight hairpin, this tether system gives you that extra bit of range when you need it most—all while keeping your head-and-neck restraint system securely anchored. KEY FEATURES & BENEFITS Freedom to MoveDesigned with a sliding mechanism, this tether gives drivers more natural side-to-side head movement—critical in high-G corners, endurance races, or while checking mirrors in traffic. Tailored Fit for Your SetupAvailable in two sizes: Small (7.5") – Ideal for drivers using Small or Medium Hybrid devices Large (11") – Perfect for Large or X-Large Hybrid modelsNo guesswork—just pick your size and go. Post Anchor CompatibleWorks seamlessly with standard HANS-style post anchor helmet systems. If you’re already running a Simpson Hybrid Sport or Pro with post anchors, you’re good to go. Built for the Long HaulTough, track-tested components that hold up under extreme racing conditions—heat, sweat, vibration, and all. Technical Specs Feature Spec Product Type Sliding tether kit for head & neck restraint Sizes Available Small: 7.5” • Large: 11” Compatibility Simpson Hybrid & Hybrid Sport w/ post anchors Part Number Varies by size Color Black Certification Designed for use in FIA and SFI-certified restraint systems (verify per device) Simpson Racing Sliding Tether Replacement FAQs Q: What’s the difference between the standard tether and the sliding version?A: The sliding tether allows more natural lateral head movement—giving you the range you need without losing restraint protection. It’s a game-changer in terms of comfort and visibility. Q: Is this compatible with my helmet?A: If your helmet has HANS post anchors, yes. This sliding tether works with post anchor systems found on most Simpson and aftermarket helmets. Q: Does this tether meet FIA or SFI standards?A: The tether itself is a replacement/add-on component designed for use with Simpson’s FIA- and SFI-certified head restraint systems. Always ensure your complete setup (Hybrid + helmet + tether) meets your sanctioning body’s requirements. Q: How do I install it?A: Easy! Remove the existing tether from your Hybrid device and replace it with this one using the same mounting points. If you’re not 100% sure, Simpson provides a detailed installation guide—or just have your tech team knock it out in the paddock. Q: How often should I replace the tether?A: Regular inspections are key. Replace your tether if it shows fraying, wear, or impact damage. As a general rule, many drivers replace them every 1–2 seasons depending on use. Ready to Race Smarter? The Simpson Hybrid Sliding Tether isn’t just an upgrade—it’s peace of mind with added flexibility. If you want to move more naturally in the car without sacrificing neck safety, this is your move. Select your size (Small or Large) and Add to Cart now.Because a smarter driver is a faster driver—and a safer one too.
AiM 712 5 Pin Male Binder Connector
AiM Sportline AiM 712 5 Pin Male Binder Connector $32.95
AiM 712 5 Pin Male Binder Connector This 712 AiM 5 pin threaded connector with male pins is a common cable end on many AiM CAN connections. If you are shortening or making custom length cables, the AiM 9904130005 Binder 712 5-pin/Male is a common part. AiM 712 5 Pin Male Binder Connector Details: Manufacturer: AIM Manufacturer part number: 9904130005 AiM 712 5 Pin Male Binder Connector Common Uses: AiM 712 Custom length cables Adapting external non-AiM components into your AiM system Replacement of a damaged cable end
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Sparco S.p.A. Sparco Water Bottle Martini Racing $32.00
Sparco Martini Racing Water Bottle The legendary partnership between Sparco and Martini Racing returns with the Sparco Heritage Collection. Inspired by one of motorsport's most iconic liveries, the Sparco Martini Racing Aluminum Water Bottle combines timeless racing heritage with everyday practicality. Featuring authentic Martini Racing graphics and a bold Sparco logo, this premium bottle is perfect for race weekends, track days, travel, and daily use. Classic Motorsport Heritage Meets Everyday Functionality Celebrating the unforgettable Sparco and Martini Racing collaboration that became famous during the World Rally Championship era of the 1980s, this lightweight aluminum bottle delivers both style and performance. The leak-proof screw-top closure keeps beverages secure while the durable aluminum construction makes it ideal for life at the track, in the paddock, or on the go. Sparco Water Bottle Martini Racing Features Official Sparco Heritage Collection design Classic Martini Racing graphics printed on one side Bold Sparco logo featured on the reverse side Lightweight aluminum construction Leak-proof screw-top closure Durable design for daily use Ideal for motorsport enthusiasts, travel, and track days Inspired by the historic Sparco and Martini Racing partnership Perfect for Track Days, Racing Events, and Daily Use Whether you're spending a weekend at the racetrack, working in the shop, traveling, or simply showing your appreciation for motorsport history, the Sparco Martini Racing Aluminum Water Bottle offers a stylish and practical hydration solution. Sparco Water Bottle Martini Racing Frequently Asked Questions What collection is this water bottle part of?This bottle is part of the Sparco Heritage Collection, which celebrates iconic designs and partnerships from Sparco's motorsport history. Does the bottle feature official Martini Racing graphics?Yes. The bottle includes classic Martini Racing graphics on one side and a Sparco logo on the reverse side. Is the cap leak-proof?Yes. The screw-top closure is designed to provide a secure, leak-resistant seal during transport and everyday use. What material is the bottle made from?The bottle is constructed from lightweight and durable aluminum for long-lasting performance. Is this suitable for track day use?Absolutely. The lightweight design and secure closure make it an excellent companion for race weekends, track days, paddock use, and travel. Can this be used as an everyday water bottle?Yes. It is designed for both motorsport enthusiasts and everyday users who appreciate classic racing heritage. Celebrate one of motorsport's most iconic partnerships with the Sparco Martini Racing Aluminum Water Bottle. Shop now at Discovery Parts for premium Sparco accessories, apparel, race gear, and motorsport lifestyle products.
AiM Bullet Bracket Adapter for SmartyCam3 GP and GP HD
AiM Sportline AiM Bullet Bracket Adapter for SmartyCam3 GP and GP HD $32.00
AiM Collar Clamp Mount Adapter for SmartyCam GP3 and HD GP Lightweight billet aluminum and made just for your AiM SmartyCam3 GP or HD GP, this collar adapter lets you mount your AiM SmartyCam3 GP or SmartyCam HD GP on any mount with a standard 1/4-20 male stud. The black anodized aluminum collar fits other "lipstick" cameras with a 24mm (0.94") outside diameter. Measures 10mm (0.4") wide. AiM COLLAR CLAMP MOUNT ADAPTER FOR SMARTYCAM3 GP DETAILS Manufacturer: AiM Sports Manufacturer part number: HSCFKB00A Alternate part number: MC-589 Color: Black Material: Anodized aluminum ID of bore: 24mm ID of bore: 0.94" Width: 10mm Width: 0.4"
AiM Sports 719 Extension Cables
AiM Sportline AiM Sports 719 Extension Cables $32.00
  AiM Sports 719 Extension Cables AiM Sports 719 Extension Cables connect your AiM pressure or temperature sensors to your primary or auxiliary harness. The AiM 719 extension cable has one male (dash side) and a female (sensor side) 719 connector in your choice of lengths. The AiM 719 connection is identified as a black plastic 4 pin connector. Use these extension cable to connect additional sensors to the following AiM Sports Dashes: MXG MXS MXL2 MXL Strada/Pista/Pro 05   Part numbers:   V02PCB05B cable length: 0.5m - 1.6ft V02PCB10B cable length: 1m - 3.3ft V02PCB15B cable length: 1.5m - 4.9ft V02PCB20B cable length: 2m - 6.6ft V02PCB25B cable length: 2.5m - 8.2ft V02PCB30B cable length: 3m - 9.8ft V02PCB40B cable length: 4m - 13.12ft                
Paragon Blower Filter Housing Fitting (4
Paragon Pro Inc. Paragon Blower Filter Housing Fitting (4") $31.99
Paragon 4.0" Blower Filter Housing Fitting Paragon’s 4” Blower Filter Housing Fitting is custom made for connecting Paragon’s 3” Air Hose to the 4" inlet of Paragon’s 240 CFM Air Blower. The Paragon 4” Blower Filter Housing Fitting is made to house Paragon’s Blower Air Filter Screen and Paragon’s Blower Air Filter. Each sold separately
Maglock Air Hose
RainMaker Solutions, Inc. Maglock Air Hose from $31.80
Maglock Air Hose Maglock Air hose side NOT included Maglock Air Hose is built to our exact specifications to ensure that you get the lightest, most flexible hose on the market today. The feedback from our test pilots ensures you that neck fatigue during use is greatly reduced, furthermore, this hose does not leverage or disconnect the Maglock Air in high G or high impact environments. Used by top motorsports athletes including all Andretti Indy cars.  We highly recommend our hose to be paired with Maglock Air.
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AP Racing Limited AP Racing Radi-CAL R3 Racing Brake Fluid $31.44
AP Racing Radi-CAL R3 Racing Brake Fluid Designed For The Top Levels Of Motorsports AP Radi-CAL R3 was developed for use in very-high-temperature racing conditions. Conforms to and exceeds FMVSS 116 DOT 4 and SAE J1703 and J1704. AP Racing Radi-CAL R3 Racing Brake Fluid is currently one of the most popular brake fluids at the highest levels of professional auto and motorcycle racing. It was specifically developed for coping with extraordinary temperatures, such as those encountered when running a carbon/carbon brake system. To ensure that the fluid stays fresh, AP brake fluids are furnished in 500 ml (16.9 oz) easy-pour plastic bottles with double-sealed caps. When switching your fluid to AP Racing Radi-CAL R3, we recommend purging all of the old fluid from the system. Three to four bottles of fluid are enough to completely replace existing brake fluid and still have enough left over for a bleed at the track to remove any remaining air bubbles. AP Racing Radi-CAL R3 Brake Fluid Details Manufacturer: AP Racing Manufacturer part number: AP-CP5660 UPC: 48238040081 DOT Rating: DOT 4 Dry Boiling Point: 325º C (617º F) Wet Boiling Point: 195º C (383º F) Compatible with other DOT 4 fluids: Yes Bottle size: 16.9 fl oz (500ml)