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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Conventional Spring 13in x 5in x 175# 130-500-175 BP
SWIFT SPRINGS
$136.85Conventional Spring 13in x 5in x 175#Coil SpringConventional5.0 in OD13.000 in Length175 lb/in Spring RateRearCopper Powder CoatEachSWI130-500-175BP- SKU:
- SWI130-500-175BP
- Availability:
- Ships Same Business Day
- Weight:
- 5.44 LBS
- MFG Part #:
- 130-500-175 BP
- Spring Rate:
- 175 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 13in x 5in x 150# 130-500-150 BP
SWIFT SPRINGS
$136.85Conventional Spring 13in x 5in x 150#Coil SpringConventional5.0 in OD13.000 in Length150 lb/in Spring RateRearCopper Powder CoatEachSWI130-500-150BP- SKU:
- SWI130-500-150BP
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 130-500-150 BP
- Spring Rate:
- 150 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$136.85Qty in Cart: 0Quantity:Price:$136.85Subtotal: -
Barrel Spring 12in x 2.5in Progressive DLM 120-250-500V2
SWIFT SPRINGS
$145.35Barrel Spring 12in x 2.5in Progressive DLMCoil SpringBarrelCoil-Over2.500 in ID12.000 in Length200-500 lb/in Spring RateProgressiveBlack Powder CoatEachSWI120-250-500V2- SKU:
- SWI120-250-500V2
- Availability:
- Ships Same Business Day
- Weight:
- 7.44 LBS
- MFG Part #:
- 120-250-500V2
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$145.35 -
Barrel Spring 12in x 2.5in x 400# SWI120-250-400B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 400#Coil Spring - Barrel - Coil-Over - 2.500 in ID - 12.000 in Length - 400 lb/in Spring Rate - Black Powder Coat - EachSWI120-250-400B- SKU:
- SWI120-250-400B
- Availability:
- Ships Same Business Day
- Weight:
- 6.18 LBS
- MFG Part #:
- 120-250-400 B
- Spring Rate:
- 400 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 350# 120-250-350 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 350#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length350 lb/in Spring RateBlack Powder CoatEachSWI120-250-350B- SKU:
- SWI120-250-350B
- Availability:
- Ships Same Business Day
- Weight:
- 5.59 LBS
- MFG Part #:
- 120-250-350 B
- Spring Rate:
- 350 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 325# 120-250-325 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 325#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length325 lb/in Spring RateBlack Powder CoatEachSWI120-250-325B- SKU:
- SWI120-250-325B
- Availability:
- Ships Same Business Day
- Weight:
- 5.39 LBS
- MFG Part #:
- 120-250-325 B
- Spring Rate:
- 325 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in Progressive DLM 120-250-300V
SWIFT SPRINGS
$145.35Barrel Spring 12in x 2.5in Progressive DLMCoil SpringBarrelCoil-Over2.500 in ID12.000 in Length100-300 lb/in Spring RateProgressiveBlack Powder CoatEachSWI120-250-300V- SKU:
- SWI120-250-300V
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- MFG Part #:
- 120-250-300V
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$145.35 -
Barrel Spring 12in x 2.5in x 300# 120-250-300 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 300#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length300 lb/in Spring RateBlack Powder CoatEachSWI120-250-300B- SKU:
- SWI120-250-300B
- Availability:
- Ships Same Business Day
- Weight:
- 4.71 LBS
- MFG Part #:
- 120-250-300 B
- Spring Rate:
- 300 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 275# 120-250-275 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 275#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length275 lb/in Spring RateBlack Powder CoatEachSWI120-250-275B- SKU:
- SWI120-250-275B
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
- MFG Part #:
- 120-250-275 B
- Spring Rate:
- 275 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 250# 120-250-250 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 250#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length250 lb/in Spring RateBlack Powder CoatEachSWI120-250-250B- SKU:
- SWI120-250-250B
- Availability:
- Ships Same Business Day
- Weight:
- 4.89 LBS
- MFG Part #:
- 120-250-250 B
- Spring Rate:
- 250 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 225# 120-250-225 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 225#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length225 lb/in Spring RateBlack Powder CoatEachSWI120-250-225B- SKU:
- SWI120-250-225B
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
- MFG Part #:
- 120-250-225 B
- Spring Rate:
- 225 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 200# 120-250-200 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 200#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length200 lb/in Spring RateBlack Powder CoatEachSWI120-250-200B- SKU:
- SWI120-250-200B
- Availability:
- Ships Same Business Day
- Weight:
- 4.01 LBS
- MFG Part #:
- 120-250-200 B
- Spring Rate:
- 200 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 185# 120-250-185 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 185#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length185 lb/in Spring RateBlack Powder CoatEachSWI120-250-185B- SKU:
- SWI120-250-185B
- Availability:
- Ships Same Business Day
- Weight:
- 3.82 LBS
- MFG Part #:
- 120-250-185 B
- Spring Rate:
- 185 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 175# 120-250-175 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 175#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length175 lb/in Spring RateBlack Powder CoatEachSWI120-250-175B- SKU:
- SWI120-250-175B
- Availability:
- Ships Same Business Day
- Weight:
- 3.74 LBS
- MFG Part #:
- 120-250-175 B
- Spring Rate:
- 175 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Barrel Spring 12in x 2.5in x 150# 120-250-150 B
SWIFT SPRINGS
$111.35Barrel Spring 12in x 2.5in x 150#Coil SpringBarrelCoil-Over2.500 in ID12.000 in Length150 lb/in Spring RateBlack Powder CoatEachSWI120-250-150B- SKU:
- SWI120-250-150B
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- MFG Part #:
- 120-250-150 B
- Spring Rate:
- 150 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35 -
Conventional Spring 11in x 5.5in x 425lb 110-550-425
SWIFT SPRINGS
$128.35Conventional Spring 11in x 5.5in x 425lbCoil SpringConventional5.5 in OD11.000 in Length425 lb/in Spring RateRearBlack Powder CoatEachSWI110-550-425- SKU:
- SWI110-550-425
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- MFG Part #:
- 110-550-425
- Spring Rate:
- 425 lb.
- Spring Height:
- 11"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 11in x 5.5in x 400lb 110-550-400
SWIFT SPRINGS
$128.35Conventional Spring 11in x 5.5in x 400lbCoil SpringConventional5.5 in OD11.000 in Length400 lb/in Spring RateRearBlack Powder CoatEachSWI110-550-400- SKU:
- SWI110-550-400
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MFG Part #:
- 110-550-400
- Spring Rate:
- 400 lb.
- Spring Height:
- 11"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 11in x 5in x 250# SWI110-500-250
SWIFT SPRINGS
$119.85Conventional Spring 11in x 5in x 250#Coil Spring - Conventional - 5.0 in OD - 11.000 in Length - 250 lb/in Spring Rate - Rear - Black Powder Coat - EachSWI110-500-250- SKU:
- SWI110-500-250
- Availability:
- Ships Same Business Day
- Weight:
- 5.05 LBS
- MFG Part #:
- 110-500-250
- Spring Rate:
- 250 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$119.85 -
Conventional Spring 11in x 5in x 200# 110-500-200 BP
SWIFT SPRINGS
$136.85Conventional Spring 11in x 5in x 200#Coil SpringConventional5.0 in OD11.000 in Length200 lb/in Spring RateRearCopper Powder CoatEachSWI110-500-200BP- SKU:
- SWI110-500-200BP
- Availability:
- Ships Same Business Day
- Weight:
- 4.32 LBS
- MFG Part #:
- 110-500-200 BP
- Spring Rate:
- 200 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$136.85Qty in Cart: 0Quantity:Price:$136.85Subtotal: -
Conventional Spring 11in x 5in x 175# 110-500-175 BP
SWIFT SPRINGS
$136.85Conventional Spring 11in x 5in x 175#Coil SpringConventional5.0 in OD11.000 in Length175 lb/in Spring RateRearCopper Powder CoatEachSWI110-500-175BP- SKU:
- SWI110-500-175BP
- Availability:
- Ships Same Business Day
- Weight:
- 4.51 LBS
- MFG Part #:
- 110-500-175 BP
- Spring Rate:
- 175 lb.
- Spring Height:
- 11"
- Spring ID:
- 5"
$136.85
