J J MOTORSPORTS

A quality fuel filter housing is essential for protecting your fuel system from contamination while maintaining consistent flow to your engine. This aluminum housing accepts standard 8-inch filters...

Fuel system leaks and failed end fittings can sideline your race car at the most critical moments. This replacement fuel log filter end fitting maintains reliable fuel delivery under the demanding...

Fuel system integrity is non-negotiable in racing—a compromised filter end fitting can introduce contamination or leaks that cost you races. This replacement fuel log filter end fitting restores a...

A damaged or missing lower nose valance support compromises both aerodynamic integrity and structural rigidity in high-speed applications. This 3/16" aluminum support reinforces your front-end...

A rigid lower valance nose support is essential for IMCA and USRA racers looking to maintain consistent aerodynamic geometry and prevent unwanted flex during high-speed cornering and impacts. This...

If you're building a dirt modified racer on a GM A-Body platform, steering geometry is non-negotiable—and this bolt-on steel steering arm delivers the precision and durability you need for...

Accurate brake bias adjustment is critical for dialing in your car's braking performance, and this fitting kit eliminates guesswork by enabling clean, direct pressure readings from your master...

Real-time brake pressure monitoring is non-negotiable in competitive racing—it's the data point that separates tuned setups from guesswork. This fitting kit gives you a clean, reliable way to tap...

Real-time brake pressure monitoring is non-negotiable in competitive racing—it's how you dial in your bias, troubleshoot pedal feel, and make data-driven setup changes. This fitting kit gives you a...

Fuel system reliability hinges on preventing backflow while maintaining unrestricted flow during engine operation—this high-flow check valve delivers both. Whether you're running a custom fuel cell...

A properly functioning fuel check valve is non-negotiable in high-performance fuel systems—it maintains consistent pressure while preventing costly siphoning and backflow that can compromise engine...

Fuel system reliability hinges on preventing backflow and maintaining consistent pressure—two problems this check valve solves with a single, bolt-on component. By opening at just 3 PSI, it...

Fuel backflow can kill system pressure and force you into expensive pump and regulator upgrades you don't need. This high-flow check valve seals the leak instantly when your pump shuts off,...

A 1:1 pulley ratio eliminates the cooling compromises that come with oversized or undersized pulleys—keeping your Small Block Chevy running at optimal temperatures while preserving engine output...

Cooling performance directly impacts engine reliability and longevity, especially under sustained racing conditions. This 1:1 pulley combo maintains optimal water pump speed while minimizing...

Cooling system failures cost races. This adjustable aluminum short water pump delivers the high-flow performance and durability needed to keep your Chevy Small Block engine operating at peak...

Window net safety is non-negotiable in IMCA racing, and fumbling with traditional latch levers during an emergency exit costs precious seconds. This spring-loaded kit lets you release or secure the...

If you're building a dedicated drag, circle track, or street strip machine, a full-spool third member delivers the straight-line performance your setup demands. The Ford 9-inch with a locked spool...

The Moose 545X wheels paired with Klever X/T tires deliver the on-demand traction and durability your RZR demands, whether you're tackling loose terrain or technical trail sections. Built with 8-ply...

The Raceline Trophy 14" wheels paired with 28" M4 Evil tires deliver the aggressive traction and durability you need for serious off-road terrain—whether you're tackling mud, snow, or rocky trails...

The Raceline Trophy 14" wheels paired with 30" Chicane LT tires deliver the versatility serious RZR and Ranger drivers demand—handling hard-packed terrain, mud, and snow without compromise. The 8-ply...

When you're pushing your RZR XP 1000 or PRO XP across challenging terrain, your wheels and tires need to deliver both traction and durability without compromise. The Raceline Omega 14" wheel paired...

When you're pushing your RZR XP 1000 or PRO XP to its limits on technical terrain, your wheels and tires are the critical foundation for traction, control, and durability. The Raceline Trophy 14"...

The Raceline Krank 14" wheels paired with Terra Hook 30" tires deliver the aggressive traction and refined handling your RZR XP 1000 or PRO XP demands on technical terrain. Whether you're tackling...

Precision suspension tuning demands a jack bolt that won't let you down—this 4" swivel racing assembly delivers exact adjustments with zero play, thanks to its 1-1/8-12 fine thread that locks in your...

Precision suspension tuning demands components that won't slip or strip under load—this Weight Jack Bolt delivers the fine-thread control racers need for consistent, repeatable adjustments across...

Precise suspension adjustments demand reliable hardware that won't slip or bind under load. This 4" Weight Jack Bolt Swivel Racing Assembly delivers the fine-thread accuracy and compact form factor...

Conquer mixed terrain with confidence using this front-and-rear tire pairing engineered for intermediate to sandy conditions. The Sand Snake MX rear paddle design delivers aggressive traction in...

Whether you're attacking sandy whoops or transitioning between soft terrain and hardpack, this front-rear tire set delivers predictable traction and precise feedback when it matters most. The Sand...

Conquer mixed terrain with a purpose-built tire set engineered for sand, intermediate, and soft-surface conditions. The Sand Paddle front and rear combination delivers predictable grip and traction...

The Moose 545X 14" wheels paired with 32" XComp ATR tires deliver the durability and traction your RZR XP 1000 or PRO XP demands when pushing hard on technical terrain. These are genuine off-road...

The Moose 361X wheels paired with 32" Switchback tires deliver the aggressive ground clearance and all-terrain capability your Polaris RZR or Ranger demands, without compromising ride quality or...

The Moose 545X wheels paired with 32" Switchback tires deliver the aggressive stance and reliable all-terrain capability your Polaris RZR XP 1000 or Pro XP demands. This bolt-on combination provides...

A quality spindle arm is critical to your suspension's geometry and steering response, directly influencing how your vehicle handles under load and during precise cornering. This metric 3-piece short...

A quality spindle arm is the foundation of responsive steering geometry and precise wheel alignment. This metric 3-piece short spindle arm is engineered for applications requiring compact packaging...

If you're running a race program with a modern multi-disc clutch and tired of mechanical linkage maintenance eating into your prep time, a hydraulic throwout bearing cuts pedal effort dramatically...

Fine-tuning your off-road suspension geometry is critical to extracting consistent performance across varying terrain and track conditions. This weld-on shock mount delivers three mounting positions,...

Hood pins and high-contact mounting points are wear magnets—without protection, repeated assembly and disassembly will leave ugly scuff marks on your hood and frame. These plastic scuff plates absorb...

Wheel spacers are a critical component in any racing setup, providing precise axle spacing to optimize handling geometry and tire clearance. These 1" OD x 9/16" ID aluminum spacers deliver the...

Suspension geometry demands precision, and these heavy-duty steel tubes deliver the rigidity and thread accuracy your setup requires. Whether you're dialing in a competition suspension or rebuilding...