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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Spring Conventional 8.00in x 5in x 450lb 080-500-450 F
SWIFT SPRINGS
$140.25A 450 lb/in spring rate demands precision engineering, and this conventional coil spring delivers the responsive suspension tuning you need for consistent track performance. Whether you're fine-tuning your setup for drag racing, road course work, or...SWI080-500-450F- SKU:
- SWI080-500-450F
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- Spring Rate:
- 450 lb.
- Spring Height:
- 8"
- Spring ID:
- 5"
$140.25 -
Spring Conventional 8.00in x 5in x 425lb 080-500-425 F
SWIFT SPRINGS
$140.25A 425 lb/in spring rate delivers the responsive suspension geometry you need for precision handling and consistent performance across varied track conditions. This conventional coil spring provides a proven, reliable foundation for custom suspension...SWI080-500-425F- SKU:
- SWI080-500-425F
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Spring Rate:
- 425 lb.
- Spring Height:
- 8"
- Spring ID:
- 5"
$140.25 -
Spring Conventional 8.00in x 5in x 400lb 080-500-400 F
SWIFT SPRINGS
$140.25A 400 lb/in spring rate delivers the responsive suspension tuning you need for high-performance driving, whether you're fine-tuning a street machine or dialing in a dedicated track setup. This conventional coil spring's compact 8-inch length and stiff...SWI080-500-400F- SKU:
- SWI080-500-400F
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Spring Rate:
- 400 lb.
- Spring Height:
- 8"
- Spring ID:
- 5"
$140.25 -
Coilover Spring 7in x 2.5in 600LB Barrel 070-250-600 B
SWIFT SPRINGS
$111.35Precise suspension geometry demands springs that deliver consistent rate and durability lap after lap. This 600LB coilover spring is engineered for vehicles requiring firm spring rates and tight vertical packaging, making it ideal for track-focused...SWI070-250-600B- SKU:
- SWI070-250-600B
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
- Spring Rate:
- 600 lb.
- Spring Height:
- 7"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 7in x 2.5in 550LB Barrel 070-250-550 B
SWIFT SPRINGS
$111.35Precision suspension tuning demands springs engineered for consistent performance across varying loads and track conditions. This 550LB coilover spring delivers the stiffness needed for responsive handling without sacrificing ride control, making it...SWI070-250-550B- SKU:
- SWI070-250-550B
- Availability:
- Ships Same Business Day
- Weight:
- 3.84 LBS
- Spring Rate:
- 550 lb.
- Spring Height:
- 7"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 7in x 2.5in 500LB Barrel 070-250-500 B
SWIFT SPRINGS
$111.35Coilover springs are the foundation of any serious suspension build—they directly impact your vehicle's ride height, spring rate, and overall handling characteristics. This 500LB barrel spring delivers the stiffness needed for track applications, road...SWI070-250-500B- SKU:
- SWI070-250-500B
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- Spring Rate:
- 500 lb.
- Spring Height:
- 7"
- Spring ID:
- 2.5"
$111.35 -
Coilover Spring 7in x 2.5in 450LB Barrel 070-250-450 B
SWIFT SPRINGS
$111.35Whether you're tuning a track car, building a custom suspension, or replacing worn coilovers on your race platform, this 450lb coilover spring delivers the consistent spring rate and durability you need for predictable handling and precise setup. The...SWI070-250-450B- SKU:
- SWI070-250-450B
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
- Spring Rate:
- 450 lb.
- Spring Height:
- 7"
- Spring ID:
- 2.5"
$111.35Qty in Cart: 0Quantity:Price:$111.35Subtotal: -
Coilover Spring 6in x 2.5in x 250lb Barrel 060-250-250 B
SWIFT SPRINGS
$109.65Precision suspension tuning demands a coilover spring engineered for exact performance parameters, and this 250 lb/in rate delivers the responsive handling characteristics required for track-focused builds and aggressive street applications. With a...SWI060-250-250B- SKU:
- SWI060-250-250B
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- Spring Rate:
- 250 lb.
- Spring Height:
- 6"
- Spring ID:
- 2.5"
$109.65Qty in Cart: 0Quantity:Price:$109.65Subtotal: -
Coilover Spring 6in x 2.5in x 200lb Barrel 060-250-200 B
SWIFT SPRINGS
$109.65A properly tuned suspension starts with the right spring rate, and this 200 lb/in coilover spring delivers the predictable, linear response you need for consistent handling across track sessions or street driving. The 6-inch barrel design and 2.5-inch...SWI060-250-200B- SKU:
- SWI060-250-200B
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- Spring Rate:
- 200 lb.
- Spring Height:
- 6"
- Spring ID:
- 2.5"
$109.65 -
Bump Stop Purple Molded 1in Thk .500in ID 2.0in RE-BR-RSW-460
RE SUSPENSION
$25.99Bump stops are critical for controlling suspension geometry and preventing metal-to-metal contact that can damage chassis components and compromise handling. This polyurethane puck absorbs impact energy during suspension compression, protecting your...RESRE-BR-RSW-460- SKU:
- RESRE-BR-RSW-460
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$25.99 -
Bump Rubber 1.00in Thick 2in OD x .50in ID Black RE-BR-5150F-1000-75B
RE SUSPENSION
$28.99Bump stops are critical suspension components that prevent metal-to-metal contact during extreme compression, protecting your chassis, frame, and suspension geometry from catastrophic damage. This 5150 foam puck absorbs the final stage of suspension...RESRE-BR-5150F-1000-75B- SKU:
- RESRE-BR-5150F-1000-75B
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$28.99 -
Bump Rubber 1.00in Thick 2in OD x .50in ID White RE-BR-5150F-1000-50W
RE SUSPENSION
$28.99Bump stops are critical suspension components that protect your vehicle from catastrophic bottoming-out during aggressive driving, track use, or heavy braking. This foam puck absorbs the final compression stroke, preventing damage to shocks, chassis, and...RESRE-BR-5150F-1000-50W- SKU:
- RESRE-BR-5150F-1000-50W
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$28.99 -
Bump Rubber 1.00in Thick 2in OD x .50in ID Red RE-BR-5150F-1000-35R
RE SUSPENSION
$28.99Bump stops are critical suspension components that prevent metal-to-metal contact during extreme compression, protecting your chassis, suspension geometry, and overall vehicle integrity. A worn or inadequate bump stop can result in harsh bottoming-out,...RESRE-BR-5150F-1000-35R- SKU:
- RESRE-BR-5150F-1000-35R
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$28.99 -
Bump Rubber .750in Thick 2in OD x .50in ID Black RE-BR-5150F-0750-75B
RE SUSPENSION
$27.99Bump stops are critical suspension components that prevent metal-to-metal contact during extreme compression, protecting your chassis and suspension geometry when you're pushing hard. This 5150 foam puck absorbs impact energy efficiently, extending the...RESRE-BR-5150F-0750-75B- SKU:
- RESRE-BR-5150F-0750-75B
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$27.99 -
Bump Rubber .750in Thick 2in OD x .50in ID Blue RE-BR-5150F-0750-65B
RE SUSPENSION
$27.99Bump stops are critical suspension components that control chassis compression and prevent suspension bottoming during hard cornering, braking, and acceleration. A properly sized bump stop puck absorbs impact loads that would otherwise transmit directly...RESRE-BR-5150F-0750-65B- SKU:
- RESRE-BR-5150F-0750-65B
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$27.99 -
Bump Rubber .750in Thick 2in OD x .50in ID White RE-BR-5150F-0750-50W
RE SUSPENSION
$27.99Bump stops are critical suspension components that prevent metal-to-metal contact during extreme suspension compression, protecting your chassis and drivetrain from costly damage. This 5150 foam puck provides progressive resistance during the final...RESRE-BR-5150F-0750-50W- SKU:
- RESRE-BR-5150F-0750-50W
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$27.99 -
Bump Rubber .750in Thick 2in OD x .50in ID Red RE-BR-5150F-0750-35R
RE SUSPENSION
$27.99Bump stops absorb suspension compression during extreme suspension travel, protecting critical components from bottoming-out damage. This 5150 foam puck provides consistent cushioning across repeated cycles—essential for drag racing, road course...RESRE-BR-5150F-0750-35R- SKU:
- RESRE-BR-5150F-0750-35R
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$27.99 -
Bump Rubber .500in Thick 2in OD x .50in ID Black RE-BR-5150F-0500-75B
RE SUSPENSION
$22.99Bump stops are critical suspension components that protect your vehicle's chassis and suspension geometry during extreme compression events—whether you're cornering hard on track, launching off the line, or hitting unexpected road imperfections. A...RESRE-BR-5150F-0500-75B- SKU:
- RESRE-BR-5150F-0500-75B
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$22.99 -
Bump Rubber .500in Thick 2in OD x .50in ID Blue RE-BR-5150F-0500-65B
RE SUSPENSION
$22.99Bump stops are critical suspension tuning components that prevent metal-to-metal contact at full compression, protecting your chassis and drivetrain from catastrophic damage during aggressive driving or racing. This 5150 foam bump rubber offers...RESRE-BR-5150F-0500-65B- SKU:
- RESRE-BR-5150F-0500-65B
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$22.99 -
Bump Rubber .500in Thick 2in OD x .50in ID White RE-BR-5150F-0500-50W
RE SUSPENSION
$22.99Bump stops are critical suspension components that prevent metal-to-metal contact when your suspension compresses to its limit—protecting chassis geometry and components from catastrophic damage during hard cornering, braking, or track use. This 5150...RESRE-BR-5150F-0500-50W- SKU:
- RESRE-BR-5150F-0500-50W
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$22.99
