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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Allstar Performance 14mm Shock Shim Deluxe Kit ALL64404
ALLSTAR PERFORMANCE
$95.99Shock shimming is a critical tuning variable that directly impacts suspension compliance, damping response, and overall chassis balance—yet most racers overlook it or rely on guesswork. The Allstar Performance 14mm Shock Shim Deluxe Kit eliminates the...ALL64404- SKU:
- ALL64404
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- MFG Part #:
- ALL64404
$95.99 -
Allstar Performance 14mm Shock Shim Starter Kit ALL64400
ALLSTAR PERFORMANCE
$31.99Fine-tuning shock dampening is critical for consistent lap times and vehicle control, yet most racers settle for factory settings that don't match their specific track conditions or setup preferences. This Allstar Performance starter kit gives you a...ALL64400- SKU:
- ALL64400
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- ALL64400
$31.99 -
Allstar Performance Bump Stop Kit for 14mm Shocks ALL64360
ALLSTAR PERFORMANCE
$319.99Bump stops are critical for controlling suspension geometry and preventing chassis damage during extreme compression events. This Allstar Performance kit gives you the precision tuning needed to dial in your suspension setup without costly...ALL64360- SKU:
- ALL64360
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- MFG Part #:
- ALL64360
$319.99 -
Allstar Performance Bump Spring Cup 16mm 1.280 Cup Step OD ALL64358
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical for controlling suspension travel and preventing hard bottoming in high-performance applications. This Allstar Performance cup provides reliable load distribution and consistent suspension compliance, whether you're...ALL64358- SKU:
- ALL64358
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- ALL64358
$24.99 -
Allstar Performance Bump Spring Cup 16mm 1.200 Cup Step OD ALL64357
ALLSTAR PERFORMANCE
$24.99Precision suspension tuning demands a bump stop cup that won't compromise under load or repeated impacts. The Allstar Performance Bump Spring Cup delivers consistent spring preload control with a CNC-machined aluminum construction designed for serious...ALL64357- SKU:
- ALL64357
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- ALL64357
$24.99 -
Allstar Performance Bump Spring Cup 16mm 1.160 Cup Step OD ALL64356
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical suspension components that control ride height and chassis geometry under load. This Allstar Performance cup delivers precision fitment and durability for both street and track applications where consistent suspension...ALL64356- SKU:
- ALL64356
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- ALL64356
$24.99 -
Allstar Performance Bump Spring Cup 1/2in 1.280 Cup Step OD ALL64354
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical suspension components that control chassis flex and prevent excessive compression travel during hard cornering and braking. A quality bump stop cup maintains consistent ride height and protects your suspension geometry under...ALL64354- SKU:
- ALL64354
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- ALL64354
$24.99 -
Allstar Performance Bump Spring Cup 1/2in 1.200 Cup Step OD ALL64353
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical suspension components that control chassis geometry and ride height during compression, directly affecting your car's handling balance and consistency through corners. The Allstar Performance bump spring cup delivers...ALL64353- SKU:
- ALL64353
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- ALL64353
$24.99 -
Allstar Performance Bump Spring Cup 1/2in 1.160 Cup Step OD ALL64352
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical suspension components that control chassis movement during cornering and braking—getting the right spec ensures consistent handling and prevents unwanted suspension compression. The Allstar Performance ALL64352 delivers...ALL64352- SKU:
- ALL64352
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- ALL64352
$24.99 -
Allstar Performance Bump Spring Cup 14mm 1.280 Cup Step OD ALL64350
ALLSTAR PERFORMANCE
$24.99A properly functioning bump spring cup is essential for maintaining consistent suspension geometry and preventing chassis damage during hard cornering and braking. This Allstar Performance cup delivers precise load control with its aluminum construction...ALL64350- SKU:
- ALL64350
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- ALL64350
$24.99 -
Allstar Performance Bump Spring Cup 14mm 1.200 Cup Step OD ALL64349
ALLSTAR PERFORMANCE
$25.99Bump spring cups are critical for controlling suspension travel and preventing bottoming-out in high-performance applications. This Allstar Performance cup provides consistent load support while maintaining precise fitment, making it essential for racers...ALL64349- SKU:
- ALL64349
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- ALL64349
$25.99 -
Allstar Performance Bump Spring Cup 14mm 1.160 Cup Step OD ALL64348
ALLSTAR PERFORMANCE
$24.99Bump spring cups are critical for controlling chassis compression and preventing harsh bottoming-out that can damage suspension geometry and compromise handling. The Allstar Performance ALL64348 delivers precision engineering with its black anodized...ALL64348- SKU:
- ALL64348
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- ALL64348
$24.99 -
Allstar Performance Bump Stop Puck 75dr Yellow 1in ALL64346
ALLSTAR PERFORMANCE
$19.79Bump stops are critical for controlling suspension travel and preventing metal-to-metal contact that can damage your chassis and suspension components. The Allstar Performance 75dr puck delivers a balance of compliance and support, making it ideal for...ALL64346- SKU:
- ALL64346
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- ALL64346
$19.79 -
Allstar Performance Bump Stop Puck 75dr Yellow 3/4in ALL64345
ALLSTAR PERFORMANCE
$16.89Bump stops are critical suspension components that prevent metal-to-metal contact when your suspension compresses to its limit, protecting expensive components from damage during hard cornering, braking, and racing. The Allstar Performance 75-durometer...ALL64345- SKU:
- ALL64345
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- ALL64345
$16.89 -
Allstar Performance Bump Stop Puck 75dr Yellow 1/2in ALL64344
ALLSTAR PERFORMANCE
$14.39Bump stops are critical for controlling suspension travel and preventing metal-to-metal contact that can damage chassis and suspension components. This Allstar Performance puck provides a consistent, reliable cushioning point for your suspension setup,...ALL64344- SKU:
- ALL64344
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MFG Part #:
- ALL64344
$14.39 -
Allstar Performance Bump Stop Puck 65dr Black 1in ALL64341
ALLSTAR PERFORMANCE
$19.79Bump stops are critical suspension components that prevent metal-to-metal contact when your suspension reaches full compression, protecting costly components from shock damage. This Allstar Performance puck delivers consistent, controlled compression...ALL64341- SKU:
- ALL64341
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- ALL64341
$19.79 -
Allstar Performance Bump Stop Puck 65dr Black 3/4in ALL64340
ALLSTAR PERFORMANCE
$16.89Bump stops are critical for controlling chassis geometry and preventing suspension bottoming during hard cornering and acceleration. This Allstar Performance puck delivers consistent, predictable suspension compliance through its 65-durometer urethane...ALL64340- SKU:
- ALL64340
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- ALL64340
$16.89 -
Allstar Performance Bump Stop Puck 65dr Black 1/2in ALL64339
ALLSTAR PERFORMANCE
$14.39Bump stops are critical suspension components that prevent metal-to-metal contact during extreme compression, protecting your chassis and drivetrain from catastrophic damage. The Allstar Performance 65-durometer puck provides the right balance of...ALL64339- SKU:
- ALL64339
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ALL64339
$14.39 -
Allstar Performance Bump Stop Puck 60dr Purple 1in ALL64338
ALLSTAR PERFORMANCE
$19.79Bump stops are critical suspension tuning components that prevent metal-to-metal contact during extreme compression, protecting your chassis and drivetrain from catastrophic damage. The Allstar Performance 60-durometer urethane puck offers the right...ALL64338- SKU:
- ALL64338
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- ALL64338
$19.79 -
Allstar Performance Bump Stop Puck 60dr Purple 3/4in ALL64337
ALLSTAR PERFORMANCE
$16.89Bump stops are critical for controlling suspension travel and preventing metal-to-metal contact that can damage your chassis and suspension components. This Allstar Performance puck provides a controlled compression point that protects your suspension...ALL64337- SKU:
- ALL64337
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- ALL64337
$16.89
