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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Hyperco Coil Over Spring 2.5in ID 7in Tall 187B0275
HYPERCO
$86.00If you're building a performance suspension setup, spring rate is everything—and this Hyperco coil-over spring delivers a stiff 275 lb/in rate that keeps your chassis planted through aggressive cornering and reduces body roll during hard acceleration...HYP187B0275- SKU:
- HYP187B0275
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MFG Part #:
- 187B0275
$86.00 -
Hyperco Coil Over Spring 2.5in ID 7in Tall 187B0250
HYPERCO
$86.00If you're tuning a custom suspension setup or building a dedicated track car, spring rate consistency is non-negotiable—weak or mismatched springs compromise handling and increase lap times. The Hyperco 187B0250 delivers a stiff 250 lb/in rate in a...HYP187B0250- SKU:
- HYP187B0250
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MFG Part #:
- 187B0250
$86.00Qty in Cart: 0Quantity:Price:$86.00Subtotal: -
Hyperco Coil Over Spring 2.25in ID 6in Tall 186A0500
HYPERCO
$102.00When you're tuning suspension geometry for track performance, spring rate directly impacts how your chassis responds to load transfer and cornering forces. The Hyperco 186A0500 delivers a stiff 500 lb/in rate in a compact 6-inch package, making it ideal...HYP186A0500- SKU:
- HYP186A0500
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MFG Part #:
- 186A0500
$102.00 -
Hyperco Coil Over Spring 2.5in ID 14in Tall 1814B0125
HYPERCO
$90.00Whether you're tuning a dedicated race car or building a street machine with serious handling capability, coil-over springs are fundamental to dialing in your suspension geometry and ride frequency. The Hyperco 1814B0125 delivers a controlled 125 lb/in...HYP1814B0125- SKU:
- HYP1814B0125
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- MFG Part #:
- 1814B0125
$90.00 -
Hyperco Coil Over Spring 2.5in ID 12in Tall 1812B0750
HYPERCO
$86.00A properly tuned suspension starts with the right spring rate, and the Hyperco 1812B0750 delivers the precision tuning your race car or performance build demands. With a 750 lb/in spring rate and 12-inch length, this coil-over spring provides the...HYP1812B0750- SKU:
- HYP1812B0750
- Availability:
- Ships Same Business Day
- Weight:
- 8.14 LBS
- MFG Part #:
- 1812B0750
$86.00 -
Hyperco Coil Over Spring 2.5in ID 10in Tall 1810B0125
HYPERCO
$86.00Dial in your suspension geometry with precision using this Hyperco coil-over spring, engineered to deliver consistent spring rates across a wide range of suspension designs. The 125 lb/in rate strikes an ideal balance for road racing and autocross...HYP1810B0125- SKU:
- HYP1810B0125
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MFG Part #:
- 1810B0125
$86.00 -
Hyperco Coil Over Spring 2.5in ID 14in Tall UHT Barrel 14B0125UHT
HYPERCO
$110.00If you're building a suspension system that demands precision tuning and repeatable performance, the Hyperco Coil Over Spring delivers the control you need. With a 125 lb/in spring rate and purpose-built UHT barrel design, this coil-over spring handles...HYP14B0125UHT- SKU:
- HYP14B0125UHT
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MFG Part #:
- 14B0125UHT
$110.00 -
Hyperco 225# Single Leaf Chevy 11344
HYPERCO
$383.00If you're building or rebuilding a high-performance Chevy rear suspension, you need a leaf spring engineered to handle consistent loads without deflection or fatigue. The Hyperco 225# Single Leaf delivers precise spring rate control in a lightweight...HYP11344- SKU:
- HYP11344
- Availability:
- Ships Same Business Day
- Weight:
- 13.25 LBS
- MFG Part #:
- 11344
$383.00Qty in Cart: 0Quantity:Price:$383.00Subtotal: -
Hyperco 200# Single Leaf Chevy 11342
HYPERCO
$383.00If you're building or upgrading a Chevy Camaro suspension, a quality leaf spring is non-negotiable for consistent handling and longevity. The Hyperco 200# Single Leaf delivers the precise spring rate you need for track-focused setups or street...HYP11342- SKU:
- HYP11342
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
- MFG Part #:
- 11342
$383.00 -
Hyperco 225# Single Leaf Chrysler 10240
HYPERCO
$383.00Upgrading to a quality leaf spring is essential for maintaining consistent suspension geometry and load capacity in your Chrysler, especially if you're pushing harder on the track or dealing with worn factory components. The Hyperco 225# Single Leaf...HYP10240- SKU:
- HYP10240
- Availability:
- Ships Same Business Day
- Weight:
- 12.25 LBS
- MFG Part #:
- 10240
$383.00Qty in Cart: 0Quantity:Price:$383.00Subtotal: -
Hyperco 200# Single Leaf Chrysler 10231
HYPERCO
$383.00A properly tuned leaf spring is fundamental to suspension geometry and load handling in racing and high-performance applications. This Hyperco mono-leaf design delivers consistent spring rates without the compliance issues of multi-leaf setups, giving...HYP10231- SKU:
- HYP10231
- Availability:
- Ships Same Business Day
- Weight:
- 12.10 LBS
- MFG Part #:
- 10231
$383.00 -
Hyperco 175# Single Leaf Chrysler 10230
HYPERCO
$383.00If you're building a lightweight rear suspension or upgrading your Chrysler's leaf spring setup, this Hyperco composite mono-leaf delivers the stiffness and durability needed for consistent handling without excess weight. The 175 lb/in spring rate...HYP10230- SKU:
- HYP10230
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- MFG Part #:
- 10230
$383.00Qty in Cart: 0Quantity:Price:$383.00Subtotal: -
Howe Lt.Trailing Arm Adjuster 318927L
HOWE
$119.99Trailing arm geometry directly impacts your vehicle's handling precision, load transfer, and tire contact patch consistency—especially critical in high-performance driving where suspension tuning separates competitive builds from the rest. The Howe Lt...HOW318927L- SKU:
- HOW318927L
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- MFG Part #:
- 318927L
$119.99 -
Howe 3/4in x 24in Hex Tube 30624
HOWE
$23.99The Howe 3/4in x 24in Hex Tube is engineered as a direct trailing arm sleeve replacement for high-performance suspension systems that demand precision fitment and durability. This aluminum construction delivers the lightweight strength necessary for both...HOW30624- SKU:
- HOW30624
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 30624
$23.99Qty in Cart: 0Quantity:Price:$23.99Subtotal: -
Howe Sway Bar Easy Adj. Weld Nut 23996
HOWE
$13.99If you're running a Howe anti-sway bar system, this weld nut is essential for secure, adjustable mounting that won't loosen under cornering loads. The easy-adjuster design lets you fine-tune your suspension geometry without breaking the bank on...HOW23996- SKU:
- HOW23996
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 23996
$13.99 -
Howe Precision Lower A-Arm Bushings 22930
HOWE
$81.99Worn control arm bushings introduce play and unpredictability into your Crown Victoria's steering response and suspension geometry. Howe Precision Lower A-Arm Bushings eliminate this slop with tight tolerances and engineered durability, restoring precise...HOW22930- SKU:
- HOW22930
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MFG Part #:
- 22930
$81.99 -
Howe 8in Upper A Arm Slotted 7 Degrees 2213207
HOWE
$252.99The Howe 8in Upper A Arm with 7-degree slot geometry delivers the adjustability serious racers need for precise front-end geometry tuning without the expense of multiple arm options. Built from high-quality steel and featuring a screw-in ball joint, this...HOW2213207- SKU:
- HOW2213207
- Availability:
- Ships Same Business Day
- Weight:
- 4.78 LBS
- MFG Part #:
- 2213207
$252.99 -
Howe 8-1/4in Upper A Arm 7 Degrees 2203307
HOWE
$243.99The Howe 8-1/4in Upper A Arm delivers the precision control and durability that competitive racing demands. With a 7-degree geometry and screw-in ball joint design, this tubular arm minimizes deflection under load while maintaining repeatability lap...HOW2203307- SKU:
- HOW2203307
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- MFG Part #:
- 2203307
$243.99 -
Steel Shock Non-Scrader 6.5in 3C-7R GENGSN073-7
GENESIS SHOCKS
$252.99Built for serious racers and high-performance builds, the Steel Shock Non-Scrader 6.5in delivers tunable damping control through its adjustable 3-7 valve configuration, allowing you to dial in the perfect suspension response for your specific track...GENGSN073-7- SKU:
- GENGSN073-7
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
- MFG Part #:
- GENGSN073-7
$252.99Qty in Cart: 0Quantity:Price:$252.99Subtotal: -
Steel Shock w/Schrader 8.5in 4C-4R GENGS094
GENESIS SHOCKS
$252.99The Steel Shock w/Schrader 8.5in delivers consistent damping performance for serious track applications where reliability and predictability matter. The monotube design minimizes fade under sustained cornering, while the 4-4 valve configuration provides...GENGS094- SKU:
- GENGS094
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- MFG Part #:
- GENGS094
$252.99Qty in Cart: 0Quantity:Price:$252.99Subtotal:
