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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Coilover Spring 8in x 2.5in x 225lb 080-250-225
SWIFT SPRINGS
$102.85A 225 lb/in spring rate gives you the responsive suspension tuning needed for track applications where precision matters. This 8-inch coilover spring integrates seamlessly into custom coilover assemblies, delivering consistent load support without...SWI080-250-225- SKU:
- SWI080-250-225
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MFG Part #:
- 080-250-225
- Spring Rate:
- 225 lb.
- Spring Height:
- 8"
- Spring ID:
- 2.5"
$102.85 -
Coilover Spring 8in x 2.5in x 200lb 080-250-200
SWIFT SPRINGS
$111.35A quality coilover spring is the foundation of responsive, predictable suspension geometry—and this 200lb/in barrel spring delivers the stiffness needed for track-focused setups without sacrificing drivability. Whether you're fine-tuning a road race...SWI080-250-200- SKU:
- SWI080-250-200
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MFG Part #:
- 080-250-200
- Spring Rate:
- 200 lb.
- Spring Height:
- 8"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 8in x 2.5in x 175lb 080-250-175
SWIFT SPRINGS
$111.35A properly matched coilover spring is critical for achieving your target suspension geometry and ride frequency—this 175 lb/in spring delivers the stiffness needed for precision handling without sacrificing daily driveability. Whether you're tuning a...SWI080-250-175- SKU:
- SWI080-250-175
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MFG Part #:
- 080-250-175
- Spring Rate:
- 175 lb.
- Spring Height:
- 8"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 8in x 2.5in x 150lb 080-250-150
SWIFT SPRINGS
$111.35A properly matched coilover spring is critical to achieving consistent suspension geometry and predictable handling characteristics on the track or strip. This 150 lb/in spring rate delivers the stiffness needed for precision tuning on dedicated race...SWI080-250-150- SKU:
- SWI080-250-150
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MFG Part #:
- 080-250-150
- Spring Rate:
- 150 lb.
- Spring Height:
- 8"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 8in x 2.5in x 100lb 080-250-100
SWIFT SPRINGS
$111.35A 100 lb/in spring rate gives you the responsiveness needed for precise suspension tuning without sacrificing ride quality—critical whether you're dialing in a track setup or building a street-performance suspension. This coil-over configuration delivers...SWI080-250-100- SKU:
- SWI080-250-100
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MFG Part #:
- 080-250-100
- Spring Rate:
- 100 lb.
- Spring Height:
- 8"
- Spring ID:
- 2.5"
$111.35 -
Sweet Slotted Top Link Bracket (Pair) 501-60050
SWEET
$119.99Precision suspension geometry requires adjustable mounting points that won't compromise durability or aesthetics. The Sweet Slotted Top Link Bracket delivers both—CNC-machined billet aluminum construction with slotted holes for fine-tuning your strut rod...SWE501-60050- SKU:
- SWE501-60050
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- 501-60050
$119.99 -
Sweet Trailing Arm Bracket 501-60007
SWEET
$126.99A quality trailing arm bracket is essential for maintaining rear axle alignment and chassis stability under hard acceleration and cornering loads. The Sweet 501-60007 delivers bolt-on simplicity with billet aluminum construction, eliminating the...SWE501-60007- SKU:
- SWE501-60007
- Availability:
- Ships Same Business Day
- Weight:
- 2.92 LBS
- MFG Part #:
- 501-60007
$126.99 -
5in O.D. X 8in Front Spring Y8-0700
SUSPENSION SPRINGS
$122.99If you're dialing in your front-end geometry or rebuilding a suspension from the ground up, spring rate matching is non-negotiable—and this 700 lb/in coil spring delivers predictable, linear load support for precise weight transfer control. The 5-inch O...SSSY700- SKU:
- SSSY700
- Availability:
- Ships Same Business Day
- Weight:
- 7.78 LBS
- MFG Part #:
- Y8-0700
$122.99Qty in Cart: 0Quantity:Price:$122.99Subtotal: -
12in x 300# Coil Over Spring B12-300
SUSPENSION SPRINGS
$68.99A 300 lb/in spring rate delivers the responsive chassis tuning serious racers and track-focused builds demand. This 12-inch coil-over spring pairs precision engineering with proven durability, giving you predictable suspension geometry and consistent...SSSB300- SKU:
- SSSB300
- Availability:
- Ships Same Business Day
- Weight:
- 6.14 LBS
- MFG Part #:
- B12-300
$68.99Qty in Cart: 0Quantity:Price:$68.99Subtotal: -
Spring Rubber Tall C/O 20lb White S-TCOSA-96
RE SUSPENSION
$34.99Spring rubbers are critical isolators that reduce vibration transfer from your suspension to the chassis, protecting components and improving ride quality under load. A worn or inadequate spring rubber compromises suspension geometry and increases wear...RESS-TCOSA-96- SKU:
- RESS-TCOSA-96
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- S-TCOSA-96
$34.99 -
Spring Rubber Tall C/O 25lb Blue S-TCOSA-108
RE SUSPENSION
$34.99Spring rubbers are essential isolators that reduce vibration transmission, noise, and harshness in suspension systems—critical for both street performance and track consistency. Whether you're fine-tuning a daily driver or optimizing a dedicated race...RESS-TCOSA-108- SKU:
- RESS-TCOSA-108
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- S-TCOSA-108
$34.99 -
Spring Rubber C/O 25lb Green S-COSA-80
RE SUSPENSION
$31.99Spring rubbers are critical wear components that absorb vibration and maintain consistent spring performance under load. Over time, OEM rubbers compress and degrade, reducing suspension compliance and introducing unwanted noise. This 25lb polyurethane...RESS-COSA-80- SKU:
- RESS-COSA-80
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- S-COSA-80
$31.99 -
Spring Rubber C/O 20lb Yellow S-COSA-62
RE SUSPENSION
$29.99Spring rubbers are critical isolators that reduce vibration transfer, protect suspension components from metal-to-metal contact, and extend the service life of your coil springs. Whether you're running a track car, street machine, or dedicated race...RESS-COSA-62- SKU:
- RESS-COSA-62
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- S-COSA-62
$29.99 -
Spring Rubber C/O 15lb Blue S-COSA-57
RE SUSPENSION
$29.99Spring rubber isolators are critical for managing vibration and noise in high-performance suspension systems, directly impacting ride quality and component longevity. This 15lb polyurethane isolator is engineered to handle the demands of racing and...RESS-COSA-57- SKU:
- RESS-COSA-57
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- S-COSA-57
$29.99Qty in Cart: 0Quantity:Price:$29.99Subtotal: -
Spring Rubber C/O 10lb White S-COSA-49
RE SUSPENSION
$29.99Spring rubber isolators are essential for managing vibration and noise in high-performance suspension systems, particularly when running stiffer spring rates. This polyurethane C/O isolator maintains consistent load support while reducing transmission of...RESS-COSA-49- SKU:
- RESS-COSA-49
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- S-COSA-49
$29.99Qty in Cart: 0Quantity:Price:$29.99Subtotal: -
Spring Rubber C/O 5lb Red S-COSA-43
RE SUSPENSION
$29.99Spring rubbers are essential insulators that reduce vibration transfer from your suspension to the chassis, minimizing harshness and improving ride quality during both street driving and track use. This polyurethane construction offers superior...RESS-COSA-43- SKU:
- RESS-COSA-43
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- S-COSA-43
$29.99 -
Spring Rubber Barrel 90D Blue RE-SR250B-1000-90
RE SUSPENSION
$50.99Precision vibration isolation and load management are critical in high-performance applications, and this 90D durometer spring rubber delivers consistent damping characteristics across a wide temperature range. Whether you're fine-tuning suspension...RESRE-SR250B-1000-90- SKU:
- RESRE-SR250B-1000-90
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- MFG Part #:
- RE-SR250B-1000-90
$50.99 -
Spring Rubber Barrel 80D Yellow RE-SR250B-1000-80
RE SUSPENSION
$50.99Vibration isolation and impact absorption are critical in high-performance applications where precision and consistency directly affect lap times and component longevity. This 80-durometer spring rubber barrel provides the ideal balance of compliance and...RESRE-SR250B-1000-80- SKU:
- RESRE-SR250B-1000-80
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- RE-SR250B-1000-80
$50.99 -
Spring Rubber Barrel 70D Green RE-SR250B-1000-70
RE SUSPENSION
$50.99Vibration isolation and noise dampening are critical in high-performance applications where even minor resonances can affect precision handling and driver comfort. This 70D durometer spring rubber barrel provides reliable compliance for motor mounts,...RESRE-SR250B-1000-70- SKU:
- RESRE-SR250B-1000-70
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MFG Part #:
- RE-SR250B-1000-70
$50.99 -
Spring Rubber Barrel 60D Purple RE-SR250B-1000-60
RE SUSPENSION
$50.99Vibration isolation and impact dampening are critical to maintaining precision in high-performance applications, whether you're managing engine bay harmonics, transmission mount wear, or suspension geometry. This 60D durometer spring rubber barrel...RESRE-SR250B-1000-60- SKU:
- RESRE-SR250B-1000-60
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- RE-SR250B-1000-60
$50.99