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 16mm Shock Shim U-Shaped 1/8in 10pk ALL64452
ALLSTAR PERFORMANCE
$12.9916mm Shock Shim U-Shaped 1/8in 10pkShock ShimU-Shaped1/8 in ThickPlasticBlue16 mm ShocksSet of 10ALL64452- SKU:
- ALL64452
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- MFG Part #:
- ALL64452
$12.99 -
Allstar Performance 16mm Shock Shim U-Shaped 1/16in 25pk ALL64450-25
ALLSTAR PERFORMANCE
$29.9916mm Shock Shim U-Shaped 1/16in 25pkShock ShimU-Shaped1/16 in ThickPlasticYellow16 mm ShocksSet of 25ALL64450-25- SKU:
- ALL64450-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- ALL64450-25
$29.99 -
Allstar Performance 16mm Shock Shim U-Shaped 1/16in 10pk ALL64450
ALLSTAR PERFORMANCE
$13.2916mm Shock Shim U-Shaped 1/16in 10pkShock ShimU-Shaped1/16 in ThickPlasticYellow16 mm ShocksSet of 10ALL64450- SKU:
- ALL64450
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- ALL64450
$13.29 -
Allstar Performance 16mm Shock Shim Deluxe Kit ALL64444
ALLSTAR PERFORMANCE
$93.9916mm Shock Shim Deluxe KitShock Shim KitDeluxeVarious Styles / ThicknessesPlasticVarious Colors16 mm ShocksKitALL64444- SKU:
- ALL64444
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MFG Part #:
- ALL64444
$93.99 -
Allstar Performance 16mm Shock Shim Standard Kit ALL64442
ALLSTAR PERFORMANCE
$69.9916mm Shock Shim Standard KitShock Shim KitStandardVarious Styles / ThicknessesPlasticVarious Colors16 mm ShocksKitALL64442- SKU:
- ALL64442
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MFG Part #:
- ALL64442
$69.99 -
Allstar Performance 16mm Shock Shim Starter Kit ALL64440
ALLSTAR PERFORMANCE
$32.9916mm Shock Shim Starter KitShock Shim KitStarterVarious Styles / ThicknessesPlasticVarious Colors16 mm ShocksKitALL64440- SKU:
- ALL64440
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MFG Part #:
- ALL64440
$32.99 -
Allstar Performance 14mm Shock Collar Shim Kit 1in 10pk ALL64424-10
ALLSTAR PERFORMANCE
$38.9914mm Shock Collar Shim Kit 1in 10pkShock ShimCollar Style2 Piece1 in ThickPlasticBlack14 mm ShocksSet of 10ALL64424-10- SKU:
- ALL64424-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- ALL64424-10
$38.99 -
Allstar Performance 14mm Shock Collar Shim Kit 1in 2pk ALL64424
ALLSTAR PERFORMANCE
$8.4914mm Shock Collar Shim Kit 1in 2pkShock ShimCollar Style2 Piece1 in ThickPlasticBlack14 mm ShocksPairALL64424- SKU:
- ALL64424
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MFG Part #:
- ALL64424
$8.49 -
Allstar Performance 14mm Shock Collar Shim Kit 3/4in 10pk ALL64422-10
ALLSTAR PERFORMANCE
$38.9914mm Shock Collar Shim Kit 3/4in 10pkShock ShimCollar Style2 Piece3/4 in ThickPlasticBlack14 mm ShocksSet of 10ALL64422-10- SKU:
- ALL64422-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- ALL64422-10
$38.99 -
Allstar Performance 14mm Shock Collar Shim Kit 3/4in 2pk ALL64422
ALLSTAR PERFORMANCE
$8.4914mm Shock Collar Shim Kit 3/4in 2pkShock ShimCollar Style2 Piece3/4 in ThickPlasticBlack14 mm ShocksPairALL64422- SKU:
- ALL64422
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MFG Part #:
- ALL64422
$8.49 -
Allstar Performance 14mm Shock Collar Shim Kit 1/2in 10pk ALL64420-10
ALLSTAR PERFORMANCE
$38.9914mm Shock Collar Shim Kit 1/2in 10pkShock ShimCollar Style2 Piece1/2 in ThickPlasticBlack14 mm ShocksSet of 10ALL64420-10- SKU:
- ALL64420-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- ALL64420-10
$38.99 -
Allstar Performance 14mm Shock Collar Shim Kit 1/2in 2pk ALL64420
ALLSTAR PERFORMANCE
$8.4914mm Shock Collar Shim Kit 1/2in 2pkShock ShimCollar Style2 Piece1/2 in ThickPlasticBlack14 mm ShocksPairALL64420- SKU:
- ALL64420
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- MFG Part #:
- ALL64420
$8.49 -
Allstar Performance 14mm Shock Shim Semi- Solid 1/8in 25pk ALL64418-25
ALLSTAR PERFORMANCE
$29.9914mm Shock Shim Semi- Solid 1/8in 25pkShock ShimSemi-Solid1/8 in ThickPlasticGreen14 mm ShocksSet of 25ALL64418-25- SKU:
- ALL64418-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- MFG Part #:
- ALL64418-25
$29.99 -
Allstar Performance 14mm Shock Shim Semi- Solid 1/8in 10pk ALL64418
ALLSTAR PERFORMANCE
$13.2914mm Shock Shim Semi- Solid 1/8in 10pkShock ShimSemi-Solid1/8 in ThickPlasticGreen14 mm ShocksSet of 10ALL64418- SKU:
- ALL64418
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- ALL64418
$13.29 -
Allstar Performance 14mm Shock Shim Semi- Solid 1/16in 25pk ALL64416-25
ALLSTAR PERFORMANCE
$29.9914mm Shock Shim Semi- Solid 1/16in 25pkShock ShimSemi-Solid1/16 in ThickPlasticGray14 mm ShocksSet of 25ALL64416-25- SKU:
- ALL64416-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- MFG Part #:
- ALL64416-25
$29.99 -
Allstar Performance 14mm Shock Shim Semi- Solid 1/16in 10pk ALL64416
ALLSTAR PERFORMANCE
$13.2914mm Shock Shim Semi- Solid 1/16in 10pkShock ShimSemi-Solid1/16 in ThickPlasticGray14 mm ShocksSet of 10ALL64416- SKU:
- ALL64416
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MFG Part #:
- ALL64416
$13.29 -
Allstar Performance 14mm Shock Shim U-Shaped 3/8in 25pk ALL64414-25
ALLSTAR PERFORMANCE
$34.9914mm Shock Shim U-Shaped 3/8in 25pkShock ShimU-Shaped3/8 in ThickPlasticWhite14 mm ShocksSet of 25ALL64414-25- SKU:
- ALL64414-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- MFG Part #:
- ALL64414-25
$34.99 -
Allstar Performance 14mm Shock Shim U-Shaped 3/8in 10pk ALL64414
ALLSTAR PERFORMANCE
$14.2914mm Shock Shim U-Shaped 3/8in 10pkShock ShimU-Shaped3/8 in ThickPlasticWhite14 mm ShocksSet of 10ALL64414- SKU:
- ALL64414
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- ALL64414
$14.29 -
Allstar Performance 14mm Shock Shim U-Shaped 1/8in 25pk ALL64412-25
ALLSTAR PERFORMANCE
$29.9914mm Shock Shim U-Shaped 1/8in 25pkShock ShimU-Shaped1/8 in ThickPlasticBlue14 mm ShocksSet of 25ALL64412-25- SKU:
- ALL64412-25
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- MFG Part #:
- ALL64412-25
$29.99 -
Allstar Performance 14mm Shock Shim U-Shaped 1/8in 10pk ALL64412
ALLSTAR PERFORMANCE
$13.2914mm Shock Shim U-Shaped 1/8in 10pkShock ShimU-Shaped1/8 in ThickPlasticBlue14 mm ShocksSet of 10ALL64412- SKU:
- ALL64412
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- ALL64412
$13.29