J J Motorsports
JJ Motorsports Race Car Parts
Discover circle track racing components from JJ Motorsports. Specializing in durable, high-performance parts for IMCA, USRA, and dirt track racing, our selection includes adjustable control arms, suspension spacers, tools, clamps, and fasteners designed for strength, precision, and reliability on the track.
Shop for innovative solutions in chassis, suspension, and pit equipment. Explore related categories such as circle track suspension and components for handling upgrades or circle track tools for maintenance essentials.
Top JJ Motorsports Products
- 9" Adjustable Upper Control Arm with Aluminum Shaft – Adjustable from 8.75" to 9.75", steel construction with aluminum cross shaft, includes rod ends, adjusters, jam nuts, cap, and ball joint pin for small diameter K772 style.
- Long Pit Lug Socket Extension – 1/2" Drive, 12" Long – Durable steel with neon yellow finish for visibility, provides extra reach for quick lug nut removal in pit stops.
- 3/4" OD x 1/2 ID Steel Spacers – Anodized black steel spacers in various lengths for suspension and racing applications.
- Weight Clamp Ballast Bar Mounts 1-1/2 Aluminum - Pair – Billet aluminum clamps with anodized black finish, 1/2"-13 threaded hole for mounting on 1-1/2" tubing.
- Body Bolt Kit with 1-1/4" OD Aluminum Washers and Serrated Nuts – Steel bolts (1.25" length) with aluminum washers and serrated nuts, available in packs of 10, 25, or 50 for secure body panel fastening.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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- Qty in Cart
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- Price
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Replacement Fuel Log Filter End Fitting (-10 AN) O-Ring Race Car
J J MOTORSPORTS
$14.95Fuel 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 clean, sealed connection in your fuel system with a...RCFL-0008- SKU:
- RCFL-0008
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$14.95 -
Modified Valance Lower Nose Support 3/16" Thick Aluminum (Bolt Kit 10 pc)
J J MOTORSPORTS
$32.95A 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 geometry while maintaining weight efficiency, and the...RRCH-0051- SKU:
- RRCH-0051
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$32.95 -
Modified Valance Lower Nose Support 3/16" Thick Aluminum Nose Support IMCA USRA
J J MOTORSPORTS
$25.95A 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 3/16" aluminum support transfers loads directly to your...RCCH-0050- SKU:
- RCCH-0050
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$25.95 -
Chevelle 1968-72 Bolt-On Steel Steering Arm Dirt Modified Race Car UMP
J J MOTORSPORTS
$49.95If 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 competitive UMP racing. Factory steering components simply won't...RCSE-0008- SKU:
- RCSE-0008
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$49.95 -
Brake Bias Gauge Fitting Kit for 3/16" Hardline
J J MOTORSPORTS
$19.66Accurate 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 cylinder. Whether you're running a dedicated race platform or...RCBR-5010- SKU:
- RCBR-5010
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$19.66 -
Brake Bias Gauge Fitting Kit for -4 AN Stainless Braided Lines
J J MOTORSPORTS
$20.95Real-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 into your brake system and feed accurate pressure readings...RCBR-5009- SKU:
- RCBR-5009
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$20.95 -
Brake Bias Gauge Fitting Kit for -3 AN Stainless Braided Lines
J J MOTORSPORTS
$22.95Real-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 clean, professional tee-off from your master cylinder to...RCBR-5008- SKU:
- RCBR-5008
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$22.95 -
High-Flow Fuel Check Valve - #8 AN Male Inlet to #8 AN Female Outlet, Lightweight Aluminum, Black Anodized
J J MOTORSPORTS
$64.95Fuel 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 or upgrading a performance fuel system, this valve opens...RCFL-0017- SKU:
- RCFL-0017
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$64.95 -
High-Flow Fuel Check Valve - #10 AN Male Ends, Lightweight Aluminum, Black Anodized
J J MOTORSPORTS
$64.95A 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 reliability. This #10 AN check valve eliminates...RCFL-0016- SKU:
- RCFL-0016
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$64.95 -
High-Flow Fuel Check Valve - #8 AN Male Ends, Lightweight Aluminum, Black Anodized
J J MOTORSPORTS
$64.95Fuel 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 eliminates the need for expensive high-pressure pumps and...RCFL-0015- SKU:
- RCFL-0015
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$64.95 -
High-Flow Fuel Check Valve - #8 AN Female Ports, Lightweight Aluminum, Black Anodized
J J MOTORSPORTS
$64.95Fuel 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, maintaining consistent pressure while delivering 20% more flow...RCFL-0014- SKU:
- RCFL-0014
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$64.95 -
1:1 Pulley Combo with Belts for Small Block Chevy Short Water Pump – CNC Machined Aluminum
J J MOTORSPORTS
$99.95A 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. These CNC machined aluminum pulleys are engineered with...RCFL-5061- SKU:
- RCFL-5061
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
1:1 Pulley Combo for Small Block Chevy Short Water Pump – CNC Machined Aluminum
J J MOTORSPORTS
$79.95Cooling performance directly impacts engine reliability and longevity, especially under sustained racing conditions. This 1:1 pulley combo maintains optimal water pump speed while minimizing parasitic loss—critical for high-revving Small Block Chevy...RCFL-5062- SKU:
- RCFL-5062
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
Adjustable Aluminum Short Water Pump for Chevy Small Block – High-Performance Racing
J J MOTORSPORTS
$89.95Cooling 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 efficiency under sustained racing conditions. With reinforced...RCFL-5064- SKU:
- RCFL-5064
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$89.95 -
Spring-Loaded Window Net Install Kit – IMCA Easy Installation
J J MOTORSPORTS
$24.95Window 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 net with a single push, eliminating complexity while...RCCH-7014- SKU:
- RCCH-7014
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$24.95 -
Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline
J J MOTORSPORTS
$1,025.95If 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 eliminates wheel hop and power loss by ensuring both rear...234-9091- SKU:
- 234-9091
- Availability:
- 1-2 Week Lead Time for Build
- Weight:
- 50.00 LBS
$1,025.95 -
Weight Jack Bolt – 4" Swivel Racing, 1-1/8" Fine Thread
J J MOTORSPORTS
$52.95Precision 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 settings securely. Aluminum construction keeps weight...RCSU-0061- SKU:
- RCSU-0061
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$52.95 -
Weight Jack Bolt – 6" Swivel Racing Assembly, 1-1/8" Fine Thread
J J MOTORSPORTS
$64.95Precision 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 practice and competition. The 1-1/8-12 fine thread...RCSU-0064- SKU:
- RCSU-0064
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$64.95 -
Weight Jack Bolt – 4" Swivel Racing Assembly, 1-1/8" Fine Thread
J J MOTORSPORTS
$62.95Precise 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 your setup requires, whether you're dialing in ride...RCSU-0062- SKU:
- RCSU-0062
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$62.95 -
Weld-On 3-Position Shock Mount for 1-1/4 to 1-1/2-Inch Tubing - Off-Road Racing
J J MOTORSPORTS
$26.95Fine-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, allowing you to dial in the exact shock angle and...RCBS-6016- SKU:
- RCBS-6016
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$26.95
