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 Steel Shock Monotube GM Metric Frt. 3C-8R Sealed 27A943-8M
QA1
$229.95If you're running a stock-mount class, you need a shock that delivers repeatable damping without the complexity of custom fabrication. QA1's 27A Series monotube shocks give you the precision valve tuning and durability you expect from a race-proven...QA127A943-8M- SKU:
- QA127A943-8M
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- MFG Part #:
- 27A943-8M
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
QA1 Steel Shock Monotube GM Metric Rear 8C-2R Sealed 27A688-2M
QA1
$229.95If you're running a street stock or hobby class, you need a shock that gives you repeatable performance lap after lap without the guesswork of adjusting for track conditions. The QA1 27A Series monotube delivers predictable damping control through linear...QA127A688-2M- SKU:
- QA127A688-2M
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- MFG Part #:
- 27A688-2M
$229.95 -
QA1 Steel Shock Monotube GM Metric Rear 3C-5R Sealed 27A683-5M
QA1
$229.95If you're running a stock-mount class and need consistent, predictable suspension control lap after lap, the QA1 27A Series monotube shock delivers the repeatability that separates winners from the rest. Built with a sealed monotube design and linear...QA127A683-5M- SKU:
- QA127A683-5M
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- MFG Part #:
- 27A683-5M
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
QA1 Steel Shock - Monotube 9in 8C-2R Linear Sealed 26A98-2M
QA1
$219.95The QA1 26 Series monotube shock delivers consistent damping control across varying track conditions, making it the go-to choice for dirt and asphalt racers who demand reliability without compromise. Its sealed design and linear valve curve provide...QA126A98-2M- SKU:
- QA126A98-2M
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MFG Part #:
- 26A98-2M
$219.95 -
QA1 Steel Shock - Monotube 9in 4C-4R Linear Sealed 26A94M
QA1
$219.95Whether you're chasing consistency on a rough dirt track or dialing in traction on asphalt, the QA1 26 Series monotube shock delivers predictable performance across varied racing conditions. The linear valving profile provides straightforward damping...QA126A94M- SKU:
- QA126A94M
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MFG Part #:
- 26A94M
$219.95 -
QA1 Steel Shock - Monotube 9in 3C-5R Linear Sealed 26A93-5M
QA1
$219.95The QA1 26 Series monotube shock delivers consistent, predictable handling across varying track conditions without the complexity of adjustable designs. Built with a sealed nitrogen charge and deflective disc valving, this shock maintains linear response...QA126A93-5M- SKU:
- QA126A93-5M
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MFG Part #:
- 26A93-5M
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
QA1 Steel Shock - Monotube 9in 12C-2R Linear 26A912-2M
QA1
$219.95The QA1 26 Series monotube shock delivers consistent damping across rough and variable track conditions, making it the go-to choice for dirt and asphalt competitors who demand predictable suspension response. Its robust zinc-plated steel construction...QA126A912-2M- SKU:
- QA126A912-2M
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- MFG Part #:
- 26A912-2M
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
QA1 Steel Shock - Monotube 7in 4C-4R Linear Sealed 26A74M
QA1
$219.95If you're running a modified, late model, or super stock on dirt or asphalt, shock performance directly impacts your ability to transfer power to the track and maintain consistent handling through variable conditions. The QA1 26A74M monotube shock...QA126A74M- SKU:
- QA126A74M
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- MFG Part #:
- 26A74M
$219.95 -
QA1 Steel Shock - Monotube 7in 3C-7R Digressive 26A73-7
QA1
$219.95The QA1 26A73-7 monotube shock delivers consistent damping performance across varied track conditions, making it the go-to choice for dirt and asphalt racers who demand reliability without compromise. Its digressive valving responds progressively to...QA126A73-7- SKU:
- QA126A73-7
- Availability:
- Ships Same Business Day
- Weight:
- 4.23 LBS
- MFG Part #:
- 26A73-7
$219.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT350
QA1
$79.95If you're building a coil-over suspension system, spring rate is everything—and this QA1 unit delivers the 350 lb/in stiffness needed for responsive handling without sacrificing ride quality on high-travel applications. The 2.5-inch ID and 14-inch length...QA114HT350- SKU:
- QA114HT350
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
- MFG Part #:
- 14HT350
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT300
QA1
$79.95If you're running a coil-over suspension setup, spring rate directly controls your chassis stiffness, handling response, and ride quality—and 300 lb/in gives you the compliance needed for road courses while maintaining predictable body control. The QA1...QA114HT300- SKU:
- QA114HT300
- Availability:
- Ships Same Business Day
- Weight:
- 6.49 LBS
- MFG Part #:
- 14HT300
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT250
QA1
$79.95If you're building a coil-over suspension setup, spring rate consistency is everything—and the QA1 C/O Spring delivers the predictable, linear performance you need for precision tuning. With a 250 lb/in rate, this spring handles high-travel applications...QA114HT250- SKU:
- QA114HT250
- Availability:
- Ships Same Business Day
- Weight:
- 5.43 LBS
- MFG Part #:
- 14HT250
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT225
QA1
$79.95If you're building or upgrading a coil-over suspension system, spring rate consistency directly impacts your car's handling balance and predictability on track. The QA1 C/O Spring delivers 225 lb/in of progressive support with a compact 2.5-inch inner...QA114HT225- SKU:
- QA114HT225
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- 14HT225
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT200
QA1
$79.95The QA1 C/O Spring delivers the precise damping control and consistent load support that separates competitive setups from compromised builds. With a 200 lb/in rate and 14-inch travel capacity, this coil-over spring handles both high-speed cornering and...QA114HT200- SKU:
- QA114HT200
- Availability:
- Ships Same Business Day
- Weight:
- 4.61 LBS
- MFG Part #:
- 14HT200
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT175
QA1
$79.95If you're building a coil-over suspension system, spring rate directly determines how your chassis responds under load—and 175 lb/in offers the precision tuning serious racers and enthusiasts demand. QA1's 14-inch High Travel spring handles the...QA114HT175- SKU:
- QA114HT175
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MFG Part #:
- 14HT175
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT150
QA1
$79.95If you're building a coil-over suspension system, spring rate consistency directly impacts your vehicle's handling balance and ride quality. The QA1 14HT150 delivers a proven 150 lb/in rate in a compact 2.5-inch bore, making it ideal for street cars,...QA114HT150- SKU:
- QA114HT150
- Availability:
- Ships Same Business Day
- Weight:
- 4.97 LBS
- MFG Part #:
- 14HT150
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT130
QA1
$79.95The QA1 C/O Spring delivers consistent, predictable suspension geometry for serious racers and high-performance builds that demand precision tuning. With a 130 lb/in spring rate and 14-inch travel length, this coil-over spring provides the stiffness...QA114HT130- SKU:
- QA114HT130
- Availability:
- Ships Same Business Day
- Weight:
- 3.97 LBS
- MFG Part #:
- 14HT130
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT110
QA1
$79.95If you're building a high-travel suspension setup, spring rate consistency is everything—and QA1's coil-over springs deliver the predictable, linear response you need for precise tuning across compression and extension cycles. The 110 lb/in rate strikes...QA114HT110- SKU:
- QA114HT110
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- 14HT110
$79.95 -
QA1 C/O Spring - 2.5in ID x 14in Silver 14HT095
QA1
$79.95Coil-over suspension tuning demands precision, and QA1's 2.5" ID spring delivers the consistent spring rate you need for predictable handling across varied track conditions. Whether you're fine-tuning front-end geometry or dialing in rear stiffness, this...QA114HT095- SKU:
- QA114HT095
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- MFG Part #:
- 14HT095
$79.95 -
QA1 C/O Spring - 2.5in ID x 12in Silver 12HT450
QA1
$79.95If you're building a coil-over suspension setup, spring rate is everything—and the QA1 C/O Spring delivers a solid 450 lb/in rate that hits the sweet spot for street and entry-level track applications. This 12-inch spring compresses and extends with...QA112HT450- SKU:
- QA112HT450
- Availability:
- Ships Same Business Day
- Weight:
- 6.23 LBS
- MFG Part #:
- 12HT450
$79.95
