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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QA1 C/O Spring - 2.5in ID x 10in Silver 10HT250
QA1
$79.95The QA1 C/O Spring delivers the consistent, predictable suspension response your coil-over setup demands, with a 250 lb/in rate engineered for serious track work and high-travel applications. Built for precision and durability, this spring maintains its...QA110HT250- SKU:
- QA110HT250
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MFG Part #:
- 10HT250
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT225
QA1
$79.95If you're building a high-travel suspension setup, spring rate consistency and durability are non-negotiable. The QA1 C/O Spring delivers a precise 225 lb/in rate in a compact 2.5-inch ID format, making it ideal for coil-over applications where space and...QA110HT225- SKU:
- QA110HT225
- Availability:
- Ships Same Business Day
- Weight:
- 3.12 LBS
- MFG Part #:
- 10HT225
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT200
QA1
$79.95If you're building a coil-over suspension system or upgrading your existing setup, spring rate selection is critical to achieving the handling balance and ride quality your application demands. The QA1 C/O Spring delivers a linear 200 lb/in rate in a...QA110HT200- SKU:
- QA110HT200
- Availability:
- Ships Same Business Day
- Weight:
- 3.22 LBS
- MFG Part #:
- 10HT200
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT175
QA1
$79.95If you're building a coil-over suspension system, spring rate selection directly impacts your car's handling balance, ride quality, and track performance. The QA1 10HT175 delivers a moderate 175 lb/in rate—ideal for street-performance and road-course...QA110HT175- SKU:
- QA110HT175
- Availability:
- Ships Same Business Day
- Weight:
- 3.01 LBS
- MFG Part #:
- 10HT175
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT150
QA1
$79.95Whether you're tuning a street car or dialing in a track machine, spring rate directly controls how your suspension responds to load transfer and cornering forces. The QA1 C/O Spring delivers a moderate 150 lb/in rate that works across a wide range of...QA110HT150- SKU:
- QA110HT150
- Availability:
- Ships Same Business Day
- Weight:
- 2.67 LBS
- MFG Part #:
- 10HT150
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT125
QA1
$79.95Coil-over suspension demands springs engineered for precision and consistency—the QA1 C/O Spring delivers both with a proven 125 lb/in rate designed for street and competition applications. Whether you're fine-tuning chassis balance or building a...QA110HT125- SKU:
- QA110HT125
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MFG Part #:
- 10HT125
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT100
QA1
$79.95Precision coil-over suspension tuning demands springs engineered to exact specifications, and the QA1 C/O Spring delivers repeatability and reliability across countless track sessions and street applications. With a 100 lb/in spring rate, this coil...QA110HT100- SKU:
- QA110HT100
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
- MFG Part #:
- 10HT100
$79.95 -
QA1 Chrome Coil-Over Spring 10in 2.5in ID 250lb/in 10CS250
QA1
$89.95A quality coil-over spring is fundamental to suspension geometry and ride quality—get this wrong, and you'll compromise handling, comfort, and component longevity. The QA1 10CS250 delivers a precisely-rated 250 lb/in spring constant in a compact 10-inch...QA110CS250- SKU:
- QA110CS250
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- MFG Part #:
- 10CS250
$89.95 -
QA1 Chrome Coil-Over Spring 10in 2.5in ID 225lb/in QA110CS225
QA1
$89.95A quality coil-over spring is the foundation of responsive, controlled suspension geometry. The QA1 Chrome Coil-Over Spring delivers a 225 lb/in rate in a compact 10-inch package, making it an ideal choice for hot rods and street applications where you...QA110CS225- SKU:
- QA110CS225
- Availability:
- Ships Same Business Day
- Weight:
- 4.12 LBS
- MFG Part #:
- 10CS225
$89.95 -
QA1 Chrome Coil-Over Spring 2.5in ID 10in Length 150lbs/in QA110CS150
QA1
$89.95A properly tuned suspension starts with the right spring rate, and the QA1 Chrome Coil-Over Spring delivers predictable handling without sacrificing ride quality. The 150 lb/in rate strikes the ideal balance for hot rods and street applications where you...QA110CS150- SKU:
- QA110CS150
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- MFG Part #:
- 10CS150
$89.95 -
GM Rear C-Arm Bushings 65-88 7-225-BL
PROTHANE
$132.99Worn trailing arm bushings compromise suspension geometry and introduce play into your rear end, degrading handling precision and accelerating tire wear. These polyurethane bushings restore solid axle control and eliminate the vague, wandering feel of...PTN7-225BL- SKU:
- PTN7-225BL
- Availability:
- Ships Same Business Day
- Weight:
- 5.41 LBS
- MFG Part #:
- 7-225-BL
$132.99 -
GM Front C-Arm Bushings 78-88 7-223-BL
PROTHANE
$87.99Worn control arm bushings compromise your suspension's geometry, creating steering slop, accelerated tire wear, and unpredictable handling under cornering load. These polyurethane bushings restore precise suspension articulation and eliminate play in...PTN7-223BL- SKU:
- PTN7-223BL
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MFG Part #:
- 7-223-BL
$87.99Qty in Cart: 0Quantity:Price:$87.99Subtotal: -
GM Front C-Arm Bushing 66-74 1.650 OD 7-217-BL
PROTHANE
$72.99Control arm bushings are critical to maintaining precise suspension geometry and responsive handling—worn or deteriorated OEM rubber bushings introduce unwanted play that degrades cornering stability and steering feel. This polyurethane bushing kit...PTN7-217BL- SKU:
- PTN7-217BL
- Availability:
- Ships Same Business Day
- Weight:
- 2.89 LBS
- MFG Part #:
- 7-217-BL
$72.99 -
Pro Shock Steel Body "WB" Series Shock 9 Inch - Comp 6 - Reb 6 WB96BK
PRO SHOCK
$136.49The Pro Shock Steel Body "WB" Series delivers consistent damping control for racers and performance enthusiasts who demand reliable suspension geometry across extended travel ranges. Built with a durable steel body and tuned 6-6 valving, this shock...PROWB96BK- SKU:
- PROWB96BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.49 LBS
- MFG Part #:
- WB96BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 9 Inch - Comp 5 - Reb 5 WB95BK
PRO SHOCK
$136.49Consistent suspension control is non-negotiable when you're pushing your vehicle to its limits. The Pro Shock Steel Body "WB" Series delivers predictable damping across compression and rebound cycles, ensuring your chassis responds exactly as...PROWB95BK- SKU:
- PROWB95BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.47 LBS
- MFG Part #:
- WB95BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 9 Inch - Comp 5 - Reb 3 WB953BK
PRO SHOCK
$136.49The Pro Shock Steel Body WB Series delivers consistent damping control across compression and rebound cycles, essential for maintaining chassis stability during aggressive cornering and acceleration. Built with a steel body construction and tuned 5-3...PROWB953BK- SKU:
- PROWB953BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.46 LBS
- MFG Part #:
- WB953BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 9 Inch - Comp 4 - Reb 4 WB94BK
PRO SHOCK
$136.49The Pro Shock Steel Body WB Series delivers consistent damping performance across compression and rebound cycles, making it an ideal choice for racers and serious enthusiasts who demand predictable suspension behavior under demanding track conditions...PROWB94BK- SKU:
- PROWB94BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.47 LBS
- MFG Part #:
- WB94BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 9 Inch - Comp 3 - Reb 5 WB935BK
PRO SHOCK
$136.49The Pro Shock Steel Body "WB" Series delivers the precision damping control serious racers and off-road competitors demand. Built with a robust steel construction and tuned 3-5 valve architecture, this shock absorbs impacts consistently while maintaining...PROWB935BK- SKU:
- PROWB935BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.79 LBS
- MFG Part #:
- WB935BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 7 Inch - Comp 9 - Reb 1 WB791BK
PRO SHOCK
$136.49If you're building a race-ready suspension or upgrading a performance vehicle, you need a shock absorber that can handle consistent high-load cycles without failure. The Pro Shock Steel Body "WB" Series delivers reliable damping control with a robust...PROWB791BK- SKU:
- PROWB791BK
- Availability:
- Ships Same Business Day
- Weight:
- 3.82 LBS
- MFG Part #:
- WB791BK
$136.49 -
Pro Shock Steel Body "WB" Series Shock 7 Inch - Comp 7 - Reb 7 WB77BK
PRO SHOCK
$136.49The Pro Shock Steel Body "WB" Series delivers consistent damping performance for racers and enthusiasts who demand reliability under extreme conditions. Built with a proven twin-tube design and precision-engineered 7-7 valve configuration, this shock...PROWB77BK- SKU:
- PROWB77BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- MFG Part #:
- WB77BK
$136.49
