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 Shock Steel Twin Tube 7in Comp 6 Reb 6 5Q76
QA1
$219.95Circle track racing demands suspension components that respond instantly to track conditions while maintaining consistency lap after lap. The QA1 5Q76 twin-tube shock delivers predictable damping characteristics essential for competitive setups, with a...QA15Q76- SKU:
- QA15Q76
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Steel Twin Tube 7in Comp 5 Reb 3 5Q75-3
QA1
$219.95Circle track racing demands shock absorbers that respond instantly to track conditions while maintaining consistent damping over hundreds of laps. The QA1 5Q75-3 delivers precisely calibrated compression and rebound tuning—designed specifically for oval...QA15Q75-3- SKU:
- QA15Q75-3
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Steel Twin Tube 7in Comp 5 Reb 13 5Q75-13
QA1
$219.95The QA1 5Q75-13 delivers the precision damping control that circle track racers demand when every fraction of a second counts. This twin-tube design manages both compression and rebound independently, allowing you to dial in your suspension geometry with...QA15Q75-13- SKU:
- QA15Q75-13
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Steel Twin Tube 7in Comp 4 Reb 4 5Q74
QA1
$219.95Circle track racing demands shocks that can handle consistent compression and rebound cycles without fade. The QA1 5Q74 delivers predictable handling through a precisely-tuned twin-tube design, giving you the confidence to push harder through every...QA15Q74- SKU:
- QA15Q74
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Steel Twin Tube 7in Comp 3 Reb 8 5Q73-8
QA1
$219.95Circle track racing demands shock absorbers engineered for consistent performance lap after lap, and the QA1 5Q73-8 delivers precisely that level of reliability. This twin-tube design provides the damping control you need to maintain chassis stability...QA15Q73-8- SKU:
- QA15Q73-8
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Steel Twin Tube 7in Comp 3 Reb 5 5Q73-5
QA1
$219.95Circle track racing demands suspension components that deliver consistent damping and predictable handling lap after lap. The QA1 Shock Steel Twin Tube is engineered with a tuned C3-R5 valve configuration to balance compression and rebound, giving you...QA15Q73-5- SKU:
- QA15Q73-5
- Availability:
- Ships Same Business Day
- Weight:
- 5.14 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 8 Reb 2 5Q688-2
QA1
$219.95Precise damping control is non-negotiable in circle track racing, where suspension response directly impacts lap times and tire wear. The QA1 Shock Street Stock Rear delivers consistent, predictable performance through its twin-tube design and tuned...QA15Q688-2- SKU:
- QA15Q688-2
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 5 Reb 5 5Q685
QA1
$219.95Circle track racing demands shock absorbers that respond instantly to track conditions while maintaining consistent damping lap after lap. The QA1 5Q685 delivers predictable rear-end control through a precision-tuned twin-tube design, giving you the...QA15Q685- SKU:
- QA15Q685
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 4 Reb 4 5Q684
QA1
$219.95Circle track racing demands suspension geometry that responds instantly to track changes and maintains consistent damping through high-speed corners. The QA1 Shock Street Stock Rear delivers predictable, tunable performance without the complexity of...QA15Q684- SKU:
- QA15Q684
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 3 Reb 5 5Q683-5
QA1
$219.95If you're running circle track competition, suspension tuning is where wins are decided—and your rear shocks are ground zero for chassis control and consistent lap times. The QA1 5Q683-5 delivers the precision damping you need with a proven twin-tube...QA15Q683-5- SKU:
- QA15Q683-5
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 3 Reb 3 5Q683
QA1
$219.95Precision shock tuning is non-negotiable in circle track racing, and the QA1 5Q683 delivers the responsive damping control you need for consistent lap times. This twin-tube design with C3-R3 valve configuration provides independent compression and...QA15Q683- SKU:
- QA15Q683
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
QA1 Shock Street Stock Rear Comp 2 Reb 6 5Q682-6
QA1
$219.95Circle track racing demands shock absorbers that can handle aggressive compression and rebound cycles lap after lap without compromising your setup consistency. The QA1 Street Stock Rear delivers the valve control and damping stability you need to keep...QA15Q682-6- SKU:
- QA15Q682-6
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$219.95 -
QA1 Shock Street Stock Rear Comp 4 Reb 4 5Q584
QA1
$219.95Circle track racing demands shocks that respond predictably lap after lap, and the QA1 5Q584 delivers the consistency you need to dial in your setup without compromise. The C4-R4 valve configuration provides tuned compression and rebound rates...QA15Q584- SKU:
- QA15Q584
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
QA1 Shock Street Stock Rear Comp 3 Reb 5 5Q583-5
QA1
$219.95Circle track racing demands suspension components that respond instantly to track conditions and maintain consistent performance lap after lap. The QA1 Shock Street Stock Rear Comp 3 Reb 5 delivers precisely tuned damping characteristics designed for...QA15Q583-5- SKU:
- QA15Q583-5
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
$219.95 -
Pro Shock Shock Steel Body 9in Stroke WB972BK
PRO SHOCK
$136.49The Pro Shock WB972BK delivers consistent damping performance in a compact 9-inch stroke package, making it ideal for vehicles with limited suspension travel or tight packaging constraints. Built with a steel body and twin-tube design, this shock handles...PROWB972BK- SKU:
- PROWB972BK
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$136.49 -
Pro Shock Shock Steel Body 7in Stroke WB738BK
PRO SHOCK
$136.49The Pro Shock Steel Body delivers consistent damping performance across a wide range of suspension setups, making it an ideal choice for racers and enthusiasts who demand reliability under demanding conditions. With a 7-inch stroke and robust twin-tube...PROWB738BK- SKU:
- PROWB738BK
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$136.49 -
Pro Shock Rodend ACF Shock Black B212B
PRO SHOCK
$36.74Precision rod ends are critical to suspension geometry, and the Pro Shock Rodend ACF delivers the spherical articulation your high-performance suspension demands. Built from aluminum for weight savings without sacrificing strength, this female-threaded...PROB212B- SKU:
- PROB212B
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$36.74 -
Washer Shims 1.350 x .008 500 Valve (10pk) VW-135008-10
PENSKE RACING SHOCKS
$20.00Precise shock valve tuning demands exact shim specifications—these washer shims are engineered to fine-tune damping curves and dial in your suspension's responsiveness. Whether you're dialing in a street-legal build or optimizing track setup, having the...PENVW-135008-10- SKU:
- PENVW-135008-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$20.00Qty in Cart: 0Quantity:Price:$20.00Subtotal: -
Washer Shims 1.350 x .006 500 Valve (10pk) VW-135006-10
PENSKE RACING SHOCKS
$20.00Valve shim selection directly impacts shock damping characteristics, affecting your suspension's ability to respond consistently across compression and rebound cycles. These precision-machined discs let you fine-tune valve compliance without replacing...PENVW-135006-10- SKU:
- PENVW-135006-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$20.00Qty in Cart: 0Quantity:Price:$20.00Subtotal: -
Shock Shaft 7500 Series Adjustable 10.000 SH-75A7
PENSKE RACING SHOCKS
$138.25Fine-tune your suspension geometry with precision engineering that delivers consistent damping performance across variable track conditions. The 7500 Series Adjustable Shock Shaft gives you the adjustment range needed to dial in your setup without...PENSH-75A7- SKU:
- PENSH-75A7
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
$138.25Qty in Cart: 0Quantity:Price:$138.25Subtotal:
