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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Air Cleaner Kit 14x4 with Paper Element - Black Lid & Wrap
J J MOTORSPORTS
$152.95Clean air is non-negotiable for peak engine performance—restrictions in your intake directly kill horsepower and throttle response. This 14x4 air cleaner kit delivers reliable filtration without compromise, giving you the airflow your high-performance...RCFL-5086- SKU:
- RCFL-5086
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$152.95 -
Air Cleaner Kit 14x4 with Washable Element - Black Lid & Wrap
J J MOTORSPORTS
$172.95A properly sized air cleaner directly impacts intake velocity and fuel mixture quality—two critical factors in maximizing horsepower and throttle response. This 14x4 kit delivers unrestricted airflow while protecting your engine from contaminants, making...RCFL-5085- SKU:
- RCFL-5085
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$172.95 -
Steel Weld Radius Tabs & Chassis Tab Kit - 60-Piece for 1'' & 1.25'' Tubing
J J MOTORSPORTS
$82.95Building a race-ready chassis or reinforcing a custom frame demands precision components that won't fail under load. This 60-piece steel tab kit eliminates the need to source individual tabs from multiple suppliers, giving you a complete solution for...RCTB-2511- SKU:
- RCTB-2511
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$82.95 -
Quick Change Rear End Fill Tank Kit - 10 AN Fittings with Valvoline 80W-90 (4 QT) Oil
J J MOTORSPORTS
$174.95Quick change rear-end maintenance demands efficiency and reliability—this kit eliminates guesswork by providing everything needed to keep your differential properly filled and serviced between races. The deck-mount design offers convenient access without...RCCH-7019- SKU:
- RCCH-7019
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$174.95 -
Quick Change Rear End Fill Tank Kit - 10 AN Fittings with Lucas 85w-140 (4 QT) Racing Oil
J J MOTORSPORTS
$174.95Maintaining consistent rear-end oil levels during competition is critical to gear longevity and differential performance—this kit eliminates guesswork with a dedicated, trackside fill system. The 10 AN quick-change design integrates seamlessly into most...RCCH-7018- SKU:
- RCCH-7018
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$174.95 -
Quick Change Rear End Fill Tank Kit - Deck Mount with 10 AN Fittings for IMCA USRA Racing
J J MOTORSPORTS
$129.95Maintaining consistent rear-end fluid levels under racing conditions is critical for performance and longevity—this deck-mounted fill tank kit eliminates guesswork and pit-stop delays. The 10 AN push-lock fittings and pre-assembled Aeroquip hose mean...RCCH-7017- SKU:
- RCCH-7017
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$129.95 -
Quick Change Rear End Fill Tank Kit - 10 AN Fittings with Bulldog 75w90 Oil (1 Gal)
J J MOTORSPORTS
$204.95Keeping your quick change rear-end properly filled during competition is critical to gear longevity and consistent performance. This deck-mount fill tank kit eliminates guesswork by giving you a dedicated, accessible reservoir for quick oil top-offs...RCCH-7016- SKU:
- RCCH-7016
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$204.95 -
Water Pump Pulley Shim Kit – 1/16" & 1/8" Thick for SBC Dirt Modified & IMCA Racing
J J MOTORSPORTS
$8.95Pulley misalignment cuts engine efficiency and accelerates belt wear—problems that cost you races. This shim kit delivers the precise adjustments needed to dial in your water pump pulley geometry, ensuring consistent belt contact and reliable cooling...RCFL-5071- SKU:
- RCFL-5071
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95 -
Water Outlet Restrictors – 2-1/8" OD for Small Block Chevy & Ford V8 Engines
J J MOTORSPORTS
$6.95Maintaining precise coolant flow is critical for engine longevity and consistent performance under racing conditions. These water outlet restrictors give you three tuning options—5/8", 3/4", and 1" ID—so you can dial in the exact cooling characteristics...RCFL-5083- SKU:
- RCFL-5083
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$6.95 -
Crank Pulley Shim 0.250 inch .250" fits Small Block Big Block Chevy SBC BBC IMCA
J J MOTORSPORTS
$8.95Precise crank pulley alignment is critical for belt drive systems, accessory timing, and overall engine balance—especially in high-RPM racing applications. This aluminum shim corrects pulley offset issues that can lead to belt wear, accessory...468124E8- SKU:
- 468124E8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95 -
Water Pulley Pump Shim 1/16 Thick Dirt Modified USMTS IMCA
J J MOTORSPORTS
$8.95Proper water pump pulley alignment is critical for maintaining consistent coolant circulation and preventing belt slip under high RPM conditions. This 1/16" aluminum shim compensates for manufacturing tolerances and wear, ensuring your pump runs true and...CF779D83- SKU:
- CF779D83
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95 -
Water Pulley Pump Shim 1/8 Thick Dirt Modified USMTS IMCA
J J MOTORSPORTS
$8.95Proper water pump pulley alignment is critical for consistent cooling system performance and belt longevity in dirt-track racing applications. This 1/8" aluminum shim allows you to fine-tune pulley spacing and eliminate belt slip or misalignment issues...7C805890- SKU:
- 7C805890
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95 -
Crank Pulley Shim 0.125 inch .125" for Small Block Big Block Chevy SBC BBC IMCA
J J MOTORSPORTS
$8.95Crank pulley timing and belt alignment are critical to maintaining proper engine synchronization and preventing costly damage during high-RPM operation. This 0.125" aluminum shim provides the precise offset needed to dial in your pulley position, whether...F962E05A- SKU:
- F962E05A
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95 -
Dirt Modified Body Bracing Kit - 6-Piece Aluminum Body Brace
J J MOTORSPORTS
$105.00Dirt modified racing demands structural integrity under extreme lateral loads and repeated impacts. This 6-piece aluminum bracing kit reinforces your door and quarter panel mounting points, preventing flexing and panel separation during high-speed turns...RCBD-5071- SKU:
- RCBD-5071
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$105.00 -
Dirt Late Model Body Bracing Kit - 9-Piece Aluminum Body Brace
J J MOTORSPORTS
$130.00Dirt late model racing demands body panels that stay put through high-speed contact and aggressive cornering. This 9-piece aluminum bracing kit reinforces doors, fenders, and quarter panels with precision-engineered support, reducing flex and panel...RCBD-5070- SKU:
- RCBD-5070
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$130.00 -
1/16 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)
J J MOTORSPORTS
$15.50Upper control arm alignment is critical to suspension geometry—even small deviations compound into poor handling, uneven tire wear, and lost lap time. These 1/16-inch shims let you dial in precise camber and caster adjustments without replacing entire...RCTB-2501- SKU:
- RCTB-2501
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$15.50 -
Radiator Neck Fitting - 1/8" NPT to 1/4" Hose Barb Brass Adapter for Automotive Cooling Systems
J J MOTORSPORTS
$10.95A cooling system is only as strong as its weakest connection. This brass radiator neck fitting eliminates leaks and maintains consistent coolant flow by providing a secure transition between your radiator neck and hose lines. Whether you're running a...RCFL-5089- SKU:
- RCFL-5089
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$10.95 -
1/8 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)
J J MOTORSPORTS
$15.95Precise suspension geometry is non-negotiable in IMCA racing, and even small deviations in upper control arm alignment can compromise handling and tire wear. These 1/8-inch shims let you dial in exact ride height and camber adjustments without...RCTB-2502- SKU:
- RCTB-2502
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$15.95 -
GM Metric Brake Caliper Bolt - 7/16-20 Thread, 5/8 Hex Head Steel
J J MOTORSPORTS
$8.95Brake caliper security is non-negotiable in high-performance applications—a single loose bolt can compromise your entire braking system. This GM metric brake caliper bolt delivers the precision fit and corrosion resistance your racing or...RCBR-5000- SKU:
- RCBR-5000
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$8.95 -
GM Metric Brake Caliper Bolts - 7/16-20 Thread, 5/8 Hex Head (2-Pack)
J J MOTORSPORTS
$16.95Brake caliper bolts are critical fasteners that directly impact your stopping power—they must be precisely engineered and absolutely reliable. These GM metric bolts feature a built-in shoulder that ensures proper seating and eliminates the risk of...RCBR-5003- SKU:
- RCBR-5003
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$16.95
