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
-
Spring QM 5in x 1.63in ID 120lbs 752-120
TANNER
$23.99Coil SpringCoil-Over1.630 in ID5.000 in Length120 lb/in Spring RateOrange Powder CoatEachTAN752-120- SKU:
- TAN752-120
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
$23.99 -
Spring QM 5in x 1.63in ID 110lbs 752-110
TANNER
$23.99Coil SpringCoil-Over1.630 in ID5.000 in Length110 lb/in Spring RateOrange Powder CoatEachTAN752-110- SKU:
- TAN752-110
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$23.99 -
Slider Short Stack Guide Model SP250-S
SWIFT SPRINGS
$68.00Spring GuideTake Up SpringShort2.500 in ID SpringsAluminumNaturalClear AnodizedEachSWISP250-S- SKU:
- SWISP250-S
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$68.00 -
Slider Long Stack Guide Model SP250-L
SWIFT SPRINGS
$68.00Spring GuideTake Up SpringLong2.500 in ID SpringsAluminumNaturalClear AnodizedEachSWISP250-L- SKU:
- SWISP250-L
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$68.00 -
Conventional Springs 9.5 x 5.5in x 650lbs 950-550-650
SWIFT SPRINGS
$128.35Coil SpringConventional5.5 in OD9.500 in Length650 lb/in Spring RateFrontBlack Powder CoatEachSWI950-550-650- SKU:
- SWI950-550-650
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- Spring Rate:
- 650 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5.5"
$128.35 -
Conventional Springs 9.5 x 5.5in x 600lbs 950-550-600
SWIFT SPRINGS
$128.35A properly tuned front suspension demands springs engineered for precision and consistency. This 600 lb/in conventional coil spring delivers the responsive handling and load support serious racers and performance builders expect, whether you're dialing...SWI950-550-600- SKU:
- SWI950-550-600
- Availability:
- Ships Same Business Day
- Weight:
- 8.20 LBS
- Spring Rate:
- 600 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5.5"
$128.35 -
Conventional Spring 9.5in x 5in 700LB 950-500-700
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD9.500 in Length700 lb/in Spring RateFrontBlack Powder CoatEachSWI950-500-700- SKU:
- SWI950-500-700
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- Spring Rate:
- 700 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in 475LB 950-500-475
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD9.500 in Length475 lb/in Spring RateFrontBlack Powder CoatEachSWI950-500-475- SKU:
- SWI950-500-475
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- Spring Rate:
- 475 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in 425LB 950-500-425
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD9.500 in Length425 lb/in Spring RateFrontBlack Powder CoatEachSWI950-500-425- SKU:
- SWI950-500-425
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
- Spring Rate:
- 425 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in 400LB 950-500-400
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD9.500 in Length400 lb/in Spring RateFrontBlack Powder CoatEachSWI950-500-400- SKU:
- SWI950-500-400
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- Spring Rate:
- 400 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in 375LB 950-500-375
SWIFT SPRINGS
$128.35A properly tuned suspension starts with the right spring rate, and this 375 lb/in conventional coil spring delivers consistent, predictable front-end geometry for both street and track applications. Whether you're fine-tuning your setup or replacing a...SWI950-500-375- SKU:
- SWI950-500-375
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- Spring Rate:
- 375 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 9.5in x 5in 350LB 950-500-350
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD9.500 in Length350 lb/in Spring RateFrontBlack Powder CoatEachSWI950-500-350- SKU:
- SWI950-500-350
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
- Spring Rate:
- 350 lb.
- Spring Height:
- 9.5"
- Spring ID:
- 5"
$128.35 -
Conv Rear Spring 18in x 5in 80LB 180-500-080
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD18.000 in Length80 lb/in Spring RateRearBlack Powder CoatEachSWI180-500-080- SKU:
- SWI180-500-080
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- Spring Rate:
- 80 lb.
- Spring Height:
- 18"
- Spring ID:
- 5"
$128.35 -
Conventional Spring 16in x 5in 150lb 160-500-150 BP
SWIFT SPRINGS
$136.85Coil SpringConventional5.0 in OD16.000 in Length150 lb/in Spring RateRearCopper Powder CoatEachSWI160-500-150BP- SKU:
- SWI160-500-150BP
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- Spring Rate:
- 150 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 16in x 5in 125lb 160-500-125 BP
SWIFT SPRINGS
$136.85Coil SpringConventional5.0 in OD16.000 in Length125 lb/in Spring RateRearCopper Powder CoatEachSWI160-500-125BP- SKU:
- SWI160-500-125BP
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- Spring Rate:
- 125 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 16in x 5in 50lb 160-500-050
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD16.000 in Length50 lb/in Spring RateRearBlack Powder CoatEachSWI160-500-050- SKU:
- SWI160-500-050
- Availability:
- Ships Same Business Day
- Weight:
- 4.90 LBS
- Spring Rate:
- 50 lb.
- Spring Height:
- 16"
- Spring ID:
- 5"
$128.35 -
Coil-Over Spring 16in 2.50in 50lbs 160-250-050 B
SWIFT SPRINGS
$128.35Coil SpringBarrelCoil-Over2.500 in ID16.000 in Length50 lb/in Spring RateBlack Powder CoatEachSWI160-250-050B- SKU:
- SWI160-250-050B
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- Spring Rate:
- 50 lb.
- Spring Height:
- 16"
- Spring ID:
- 2.5"
$128.35 -
Conventional Spring 13in x 5in 275LB 130-500-275
SWIFT SPRINGS
$128.35Coil SpringConventional5.0 in OD13.000 in Length275 lb/in Spring RateRearBlack Powder CoatEachSWI130-500-275- SKU:
- SWI130-500-275
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- Spring Rate:
- 275 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$128.35Qty in Cart: 0Quantity:Price:$128.35Subtotal: -
Conventional Spring 13in x 5in 125LB 130-500-125 BP
SWIFT SPRINGS
$136.85Coil SpringConventional5.0 in OD13.000 in Length125 lb/in Spring RateRearCopper Powder CoatEachSWI130-500-125BP- SKU:
- SWI130-500-125BP
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- Spring Rate:
- 125 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$136.85 -
Conventional Spring 13in x 5in 100LB 130-500-100 BP
SWIFT SPRINGS
$136.85Coil SpringConventional5.0 in OD13.000 in Length100 lb/in Spring RateRearCopper Powder CoatEachSWI130-500-100BP- SKU:
- SWI130-500-100BP
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- Spring Rate:
- 100 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$136.85
