Products categories
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Drag Racing (48)
Shop our entire selection of Automotive Drag Racing Shocks, parts, complete kits, and tools. Feel the Penske difference and get ahead of the drag racing competition!
Master the art of the perfect launch with our drag racing collection featuring specialized shock absorbers engineered for maximum weight transfer and traction. From our 7000 series small bore shocks for lighter applications to heavy-duty systems for Pro Mod and Top Fuel, plus essential components like bump stops, inflation tools, and suspension fluids designed to handle the extreme forces of straight-line acceleration.
For more information, please contact Penske Shocks today!
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Late Model (75)
Dirt Track Dominance Through Superior Handling
Conquer the dirt ovals with our late model collection featuring the legendary 7300 and 8300 series shocks that have won countless dirt track championships. This collection includes everything from complete coil-over systems to specialized dirt track components, premium shock covers for protection, and the precise valving components needed to handle the unique challenges of varying track conditions from slick to tacky surfaces.
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Modified (62)
Adaptable Performance for Diverse Track Conditions
Excel across multiple racing surfaces with our modified collection featuring versatile shock systems designed for the varied demands of modified racing. From asphalt to dirt, our 7300 and 8300 series provide the adjustability needed for different track configurations, plus specialized spring hardware, mounting solutions, and tuning components for optimal performance across diverse racing conditions.
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Open Wheel (29)
Formula-Grade Precision for Ultimate Handling
Achieve Formula-level performance with our open wheel collection featuring advanced damper technology proven in IndyCar and F1 racing. This specialized collection includes lightweight shock systems, precision pistons with advanced flow characteristics, professional-grade adjustment tools, and the sophisticated components required for the demanding world of open wheel racing where every gram and every adjustment matters.
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Sports Car (68)
Complete Systems and Precision Parts for Championship Performance
Discover our comprehensive sports car collection featuring everything from our 7500 and 8300 series double-adjustable shock absorbers to the precision components that make them perform. Whether you need complete coil-over systems, replacement pistons and shims, professional-grade tools, or specialized fluids and hardware, this collection provides the complete range of Penske Racing components specifically engineered for sports car applications.
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Sprint Car (47)
High-Speed Oval Mastery with Maximum Adjustability
Dominate the sprint car scene with our collection designed for the intense demands of winged and non-winged sprint car racing. Featuring our proven shock systems with extensive adjustment ranges to handle varying downforce levels, specialized mounting hardware for sprint car applications, and the precision components needed to extract maximum performance from these powerful, lightweight machines on high-banked ovals.
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Stock Car (48)
NASCAR-Proven Technology for Consistent Lap Times
Race with confidence using our stock car collection featuring the same shock technology trusted by NASCAR Cup Series teams. This collection includes robust shock systems designed for the extended distances and high speeds of stock car racing, specialized valving for aerodynamic platforms, and the durable components necessary for consistent performance throughout long green flag runs and varying fuel loads.
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Street Car (63)
Daily Driver Comfort Meets Track Day Performance
Transform your street car with our collection designed to deliver exceptional performance without sacrificing daily drivability. Featuring our 7500 series double-adjustable coil-overs perfect for track day enthusiasts, plus street-friendly suspension fluids, practical adjustment tools, and all the components needed to achieve the ideal balance between comfort and performance for enthusiasts who demand the best of both worlds.
- Accessories / Spare Parts (37)
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Cruiser (4)
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Front Forks (1)
Precision Handling for Comfortable Cruising
Upgrade your cruiser's front-end performance with our specialized fork components designed for stability and comfort. This collection includes fork springs, seals, and cartridge systems specifically calibrated for cruiser geometry and riding styles, ensuring smooth steering response and confident handling whether you're navigating city streets or touring cross-country.
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Rear Shocks (3)
Heritage Performance for the Open Road
Transform your cruiser's ride quality with our Heritage series rear shocks designed specifically for touring comfort and highway stability. This collection features our premium single and double-adjustable shocks engineered to handle passenger loads and luggage while maintaining that smooth, controlled ride cruiser enthusiasts demand for long-distance touring and daily riding.
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Drag Racing (7)
Maximum Traction for Record-Breaking ETs
Dominate the dragstrip with our specialized motorcycle drag racing collection featuring air shocks and adjustable systems designed for optimal weight transfer and traction. From our 8900 series air shocks to precision pistons and specialized components, this collection provides everything needed to achieve consistent launches and record-breaking elapsed times in NHRA, ADRL, and MIROCK competition.
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Road Racing (6)
Track-Proven Technology for Corner Speed
Maximize your track performance with our road racing collection featuring gas-charged cartridges, precision pistons, and velocity-dependent valving systems. From AMA Pro Road Racing to club-level competition, these components deliver the responsive handling and consistent performance needed to slice through corners and maintain competitive lap times on any road course.
- Tools (17)
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Touring (10)
Refined Comfort for Long-Distance Adventures
Experience superior comfort and handling on extended tours with our touring fork collection designed for loaded touring bikes and adventure riding. This collection features progressive spring systems, specialized damping components, and durable seals engineered to handle varying loads while maintaining excellent road manners across thousands of miles.
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ATV (17)
Custom-Built Performance for Every Terrain
Conquer any trail with Custom Axis ATV suspension systems engineered specifically for quad performance. From sport ATVs to utility machines, our collection features fully customizable shock systems designed for your specific machine's geometry, rider weight, and riding style. Each shock is hand-built and dyno-tested to deliver superior handling whether you're racing cross-country, trail riding, or tackling mud bogs and rocky terrain.
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Motocross (0)
Race-Ready Fork Performance for Track Domination
Transform your motocross bike's front-end performance with our professional fork services and components. Our collection includes complete fork revalving services custom-tuned for rider weight and skill level, plus precision pistons, shims, and specialized components designed to handle the extreme demands of motocross racing, supercross, and aggressive trail riding with consistent, fade-free performance.
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Snowmobile (15)
Winter Performance Engineering for Deep Powder and Hardpack
Dominate winter terrain with Custom Axis snowmobile suspension accessories for the unique demands of snow riding. Our collection features specialized shock systems designed to handle extreme temperature variations, varying snow conditions, and the high-impact loads of aggressive snowmobile riding. Each system is custom-built for your specific sled and riding style, from boondocking to cross-country racing.
Product Tag
Off Road
Off Road Racing Shocks
Custom Axis Racing Shocks has been providing custom-built, high-performance, shock absorbers to professional racers, serious riders, and general enthusiasts of all forms and levels of off-road riding for more than 20 years. Founded in Lodi, California in 1993, Custom Axis was originally formed to provide chassis builders and aftermarket part suppliers with a shock absorber truly tailored to fit their applications and designs.
The ability to make a product specific to custom a-arms, swing arms, and suspension geometries allowed Custom Axis to grow in popularity throughout the ATV market. But the ability to produce a custom product was not the only prerequisite to achieving success. Outstanding performance, quality, and consistency are what gave their riders an edge over the competition. Penske Racing Shocks acquired a controlling interest of Custom Axis in 1998, and together the two companies continued to improve and benefit from advancements learned in each other’s various forms of racing. The company is comprised of racers, enthusiasts, top-of-the-line engineers, and experienced technical staff. Custom Axis is more than a profession to team members – it’s their passion. The primary goal is helping customers achieve success.
There are many manufacturers to pick from when considering a suspension upgrade for your application. So you may ask yourself, why choose Custom Axis over any other brand? At Custom Axis Racing Shocks, we are committed to providing you with the best-quality, highest performing shock absorber available. We utilize our top professional racers to test our shocks in the harshest riding conditions and value their feedback to continuously improve our product line.
When you choose Custom Axis, you know beyond a doubt that you are picking a product that has been 100% custom-built according to your vehicle and rider specifications. Nothing is off the shelf — your shock is hand-picked, assembled, and dyno’d at the time of your order. All of our products can be customized to meet any dimension, valving, spring, or adjustability need that you have. No racer or set-up is the same, why should you shocks be? Be sure your shocks are customer built for you.
Types Of Off Road Racing Shocks We Offer:
- ATV
- Motocross
- Snowmobile
- UTV
Off Road
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