Suspension and Components
Circle Track Suspension Parts: Control Arms, Shocks & Springs for IMCA & Late Models at JJ Motorsports
Optimize handling and stability on the track with premium circle track suspension components from JJ Motorsports. Our selection includes control arms, shocks, springs, weight jacks, and more, designed for superior cornering, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with GM Metric frames and other setups, these high-quality parts ensure reliable operation and enhanced traction under intense racing conditions.
Shop trusted brands like Allstar Performance. Explore related categories such as circle track steering and components for precision control or circle track brakes for stopping power.
Top Circle Track Suspension Products
- Lower Control Arm Kit for 1978-88 GM Metric Street Stock & Hobby Stock, Includes Ball Joints & Greasable Bushings – This kit includes stamped steel lower control arms with black powdercoat finish, greasable bushings, and weld-in greasable ball joints for enhanced suspension performance. It is compatible with 1978-88 GM Metric G-Body vehicles and designed for street stock and hobby stock racing applications.
- Allstar Performance Metric Upper Control Arm Left 9in ALL57984 – This tubular upper control arm is designed for the driver side on GM Metric Frames, measuring 9.00 inches long with a bolt-in ball joint and steel construction finished in black powder coat. It features greasable pivot points and is ideal for hobby stock race cars, providing a perfect fit and function.
- Spring Cup Weight Jack Bolt Combo ONE PAIR IMCA Modified Dirt USRA B-Mod Cups – This kit includes two 8" long steel jack bolts with 1-8 course threads and two steel spring cups with a 5-inch outer diameter. It is designed for IMCA Modified, Dirt, and USRA B-Mod cups.
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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Allstar Performance 14mm Bump Stop Shim 1/8in Brown ALL64365
ALLSTAR PERFORMANCE
$6.89Bump stop shims are critical for fine-tuning suspension geometry and preventing bottoming-out that can damage components or compromise handling. This Allstar Performance shim lets you make precise ride height adjustments without replacing entire bump...ALL64365- SKU:
- ALL64365
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$6.89 -
Allstar Performance 14mm Bump Stop Shim 1/16in Black ALL64364
ALLSTAR PERFORMANCE
$5.99Bump stop shims are critical for fine-tuning suspension geometry and preventing unwanted chassis compression that can compromise handling and tire contact. This 1/16-inch shim from Allstar Performance allows you to precisely dial in your suspension setup...ALL64364- SKU:
- ALL64364
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$5.99 -
Allstar Performance 16mm Bump Stop Shim 1/32in ALL64323
ALLSTAR PERFORMANCE
$4.89Bump stop shims are critical for fine-tuning suspension geometry and preventing unwanted chassis movement under compression. This 1/32-inch shim from Allstar Performance lets you dial in precise ride height and suspension preload without replacing entire...ALL64323- SKU:
- ALL64323
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$4.89 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx3/4in Long 25pk ALL64284-25
ALLSTAR PERFORMANCE
$46.99Shock spacers are critical fastening components that ensure proper shock absorber assembly and alignment on your suspension system. Precision-engineered spacing prevents binding, misalignment, and premature wear on shock hardware. This 25-pack gives you...ALL64284-25- SKU:
- ALL64284-25
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
$46.99 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx3/4in Long 10pk ALL64284-10
ALLSTAR PERFORMANCE
$19.49Shock spacers are critical for maintaining proper suspension geometry and preventing chassis flex during hard cornering and acceleration. These Allstar Performance spacers ensure precise shock mounting alignment, which directly impacts handling...ALL64284-10- SKU:
- ALL64284-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$19.49 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx5/8in Long 25pk ALL64283-25
ALLSTAR PERFORMANCE
$46.99Shock spacers are essential for fine-tuning suspension geometry and preventing unwanted movement in your shock assembly. These Allstar Performance spacers provide consistent height control across your suspension setup, critical for maintaining proper...ALL64283-25- SKU:
- ALL64283-25
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$46.99 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx5/8in Long 10pk ALL64283-10
ALLSTAR PERFORMANCE
$19.49Shock spacers are critical for maintaining proper suspension geometry and preventing shaft wear during high-performance applications. These Allstar Performance spacers provide precision-engineered spacing for shock absorber assemblies, ensuring...ALL64283-10- SKU:
- ALL64283-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$19.49 -
Allstar Performance Shock Spacers 3/4inch OD 1/2in IDx1/2in Long 25pk ALL64282-25
ALLSTAR PERFORMANCE
$46.99Shock spacers are essential for fine-tuning suspension geometry and eliminating unwanted movement in your shock assembly. Whether you're dialing in a race setup or refreshing worn components, these precision-machined spacers ensure consistent preload and...ALL64282-25- SKU:
- ALL64282-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
$46.99 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx1/2in Long 10pk ALL64282-10
ALLSTAR PERFORMANCE
$19.49Shock spacers are a critical suspension component that ensure proper damper geometry and maintain consistent ride height across your chassis. Whether you're fine-tuning a race car's setup or rebuilding shocks after wear, these precision spacers prevent...ALL64282-10- SKU:
- ALL64282-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$19.49 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx1/4in Long 25pk ALL64280-25
ALLSTAR PERFORMANCE
$46.99Shock spacers are essential for precise suspension geometry and ride height adjustment, especially when running custom setups or correcting factory tolerances. These steel spacers ensure your shocks maintain consistent preload and alignment, preventing...ALL64280-25- SKU:
- ALL64280-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
$46.99 -
Allstar Performance Shock Spacers 3/4in OD 1/2in IDx1/4in Long 10pk ALL64280-10
ALLSTAR PERFORMANCE
$19.49Shock spacers are essential for fine-tuning suspension geometry and controlling preload in both street and competition applications. Whether you're dialing in ride height, adjusting spring rates, or correcting alignment issues, these precision spacers...ALL64280-10- SKU:
- ALL64280-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$19.49 -
Allstar Performance Canister Mount Flat Panel ALL64273
ALLSTAR PERFORMANCE
$84.99Secure shock reservoir mounting is critical for maintaining consistent suspension geometry and preventing fluid sloshing that compromises damping performance. The Allstar Performance Canister Mount Flat Panel keeps your reservoir rigidly positioned while...ALL64273- SKU:
- ALL64273
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$84.99 -
Allstar Performance Bearing Kit for 5in Spring ALL64214
ALLSTAR PERFORMANCE
$34.99A quality coil-over thrust bearing kit is essential for maintaining consistent spring preload and reducing friction under compression cycles—critical for suspension performance whether you're on the track or dialing in a street setup. The ALL64214...ALL64214- SKU:
- ALL64214
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$34.99 -
Allstar Performance Shock Cover 6x20 ALL64209
ALLSTAR PERFORMANCE
$39.99Coil-over shock covers protect your suspension components from dirt, debris, and UV damage while maintaining a professional appearance in the engine bay or on the track. This Allstar Performance cover is engineered to fit 6-inch ID coil-overs and...ALL64209- SKU:
- ALL64209
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$39.99 -
Allstar Performance Shock Shaft Boot ALL64198
ALLSTAR PERFORMANCE
$8.99Shock boots protect your suspension components from dirt, debris, and moisture that can compromise performance and longevity. A damaged or missing boot accelerates wear on shock shafts and seals, leading to leaks and reduced damping performance. This...ALL64198- SKU:
- ALL64198
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$8.99 -
Allstar Performance 2.5in C/O Adjusting Nut ALL64180
ALLSTAR PERFORMANCE
$16.79Fine-tuning your coil-over suspension requires precise ride height adjustment, and this Allstar adjusting nut delivers the repeatability you need for consistent setup across track sessions. Whether you're dialing in spring preload or making mid-season...ALL64180- SKU:
- ALL64180
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$16.79 -
Allstar Performance C/O Slotted Top JRI ALL64178
ALLSTAR PERFORMANCE
$16.99Proper suspension geometry depends on precision coil-over components that maintain consistent spring rates and ride height under load. This Allstar Performance slotted top spring seat delivers the direct bolt-on compatibility JRI shock users need,...ALL64178- SKU:
- ALL64178
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$16.99 -
Allstar Performance C/O Slotted Top Fox ALL64177
ALLSTAR PERFORMANCE
$16.99Precision suspension tuning demands a coil-over top hat that won't compromise your setup. This Allstar Performance slotted design allows seamless spring adjustments without breaking down your Fox shock assembly, saving you time between rounds and giving...ALL64177- SKU:
- ALL64177
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$16.99 -
Allstar Performance C/O Slotted Top Pro ALL64175
ALLSTAR PERFORMANCE
$18.49Precision suspension tuning demands a coil-over setup you can trust, and this Allstar Performance top seat delivers the adjustability serious racers need without compromise. The drilled aluminum construction keeps weight minimal while the black anodized...ALL64175- SKU:
- ALL64175
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$18.49 -
Allstar Performance C/O Slotted Top Penske ALL64174
ALLSTAR PERFORMANCE
$20.99If you're running Penske coil-over shocks, proper spring seating is non-negotiable for consistent suspension geometry and predictable handling. This slotted top seat design gives you repeatable adjustability and secure spring retention under high-load...ALL64174- SKU:
- ALL64174
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
$20.99
