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!
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Landrum Spring Bag 5.0in OD Spring 18in x 20in Tall SB20
LANDRUM SPRINGS
$41.99Coil-over springs demand protection during storage, transport, and installation—this bag shields your suspension components from dust, debris, and damage while keeping your setup organized. The Landrum Spring Bag's elastic design accommodates springs up...LANSB20- SKU:
- LANSB20
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$41.99 -
Landrum Spring Bag 5.0in OD Spring 14in x 16in Tall SB16
LANDRUM SPRINGS
$41.99Protect your coil-over springs from dirt, debris, and UV damage during storage and transport with the Landrum Spring Bag. This durable polyester cover keeps your suspension components in pristine condition, extending their lifespan and maintaining their...LANSB16- SKU:
- LANSB16
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$41.99 -
Landrum Spring Bag 2.5in-3in ID Spring x 14in Tall SB14
LANDRUM SPRINGS
$41.99Coil-over springs require protection during storage, transport, and installation to prevent corrosion and damage that can compromise suspension performance. The Landrum Spring Bag SB14 shields your investment with a durable, elasticated cover that keeps...LANSB14- SKU:
- LANSB14
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$41.99 -
Landrum Spring Bag 5.0in OD Spring 8in x 13in Tall SB13
LANDRUM SPRINGS
$41.99Coil-over springs demand protection from dirt, debris, and UV exposure that degrades performance and appearance over time. The Landrum Spring Bag SB13 shields your suspension components during storage, transport, and installation with a durable...LANSB13- SKU:
- LANSB13
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$41.99 -
Landrum Spring Bag 2.5in-3in ID Spring x 12in Tall SB12
LANDRUM SPRINGS
$41.99Coil-over springs demand protection during storage, transport, and installation—this bag keeps your suspension components clean, organized, and damage-free. The elastic ends and hook-and-loop closure ensure a secure fit without slipping, while the...LANSB12- SKU:
- LANSB12
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$41.99 -
Landrum Spring Bag 2.5in-3in ID Spring x 10in Tall SB10
LANDRUM SPRINGS
$41.99Coil-over springs demand protection during storage, transport, and installation—and this Landrum spring bag delivers exactly that. Whether you're running a dedicated race setup or managing multiple spring rates for different tracks, keeping your springs...LANSB10- SKU:
- LANSB10
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$41.99 -
Landrum 5in. x 20in x 100# Rear Spring K20-100
LANDRUM SPRINGS
$99.99If you're building a race-ready suspension or need a reliable replacement for your rear end, a quality coil spring is non-negotiable—it directly affects your chassis geometry, weight transfer, and lap times. The Landrum Gold Series K20-100 delivers...LANK20-100- SKU:
- LANK20-100
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
$99.99 -
Landrum 5in. x 16in x 350# Rear Spring K16-350
LANDRUM SPRINGS
$89.99If you're building a dedicated track car or drag racing setup, spring rate selection directly impacts your suspension geometry, weight transfer, and overall lap consistency. The Landrum Gold Series K16-350 delivers a stiffer 350 lb/in rate ideal for...LANK16-350- SKU:
- LANK16-350
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
$89.99 -
Landrum 5in. x 16in x 325# Rear Spring K16-325
LANDRUM SPRINGS
$89.99Rear suspension geometry demands precision, and the Landrum Gold Series K16-325 spring delivers the consistent rate and durability required for serious track work and high-performance street builds. With a 325 lb/in spring rate, this coil spring provides...LANK16-325- SKU:
- LANK16-325
- Availability:
- Ships Same Business Day
- Weight:
- 13.10 LBS
$89.99 -
Landrum 5in. x 16in x 300# Rear Spring K16-300
LANDRUM SPRINGS
$89.99If you're tuning a race car or high-performance street machine, your suspension geometry is only as good as your spring rate. The Landrum 5in. x 16in x 300# rear spring delivers the consistent, predictable load support needed for precision handling and...LANK16-300- SKU:
- LANK16-300
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
$89.99 -
Landrum 5in. x 16in x 275# Rear Spring K16-275
LANDRUM SPRINGS
$89.99A properly tuned rear suspension starts with the right spring rate, and the Landrum K16-275 delivers the stiffness needed for consistent weight transfer and predictable handling in competitive racing. Whether you're fine-tuning a road course setup or...LANK16-275- SKU:
- LANK16-275
- Availability:
- Ships Same Business Day
- Weight:
- 8.90 LBS
$89.99 -
Landrum 5in. x 16in x 250# Rear Spring K16-250
LANDRUM SPRINGS
$89.99A properly matched rear spring is critical for consistent weight transfer, predictable handling, and repeatable lap times. The Landrum K16-250 delivers a 250 lb/in spring rate that balances compliance and control, making it ideal for road course and...LANK16-250- SKU:
- LANK16-250
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
$89.99 -
Landrum 5in. x 16in. x 125# Rear Spring K16-125
LANDRUM SPRINGS
$89.99If you're tuning a dedicated race car or performance vehicle, suspension geometry is non-negotiable—and the right spring rate directly impacts weight transfer, chassis balance, and lap consistency. The Landrum K16-125 delivers a predictable 125 lb/in...LANK16-125- SKU:
- LANK16-125
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$89.99 -
Landrum 5in. x 16in x 100# Rear Spring K16-100
LANDRUM SPRINGS
$89.99If you're tuning a race car or performance vehicle that demands consistent, predictable handling, rear spring rate is non-negotiable. The Landrum K16-100 delivers a 100 lb/in spring rate in a compact 5-inch diameter package, giving you the support needed...LANK16-100- SKU:
- LANK16-100
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
$89.99 -
Landrum 13in. x 5in. Progressive Rear Spring J200-450
LANDRUM SPRINGS
$99.99Progressive spring rates deliver consistent handling across the entire suspension travel, preventing bottoming while maintaining responsive control during aggressive driving. The Landrum Gold Series J200-450 is engineered for racers and serious...LANJ200-450- SKU:
- LANJ200-450
- Availability:
- Ships Same Business Day
- Weight:
- 9.30 LBS
$99.99 -
Landrum 13in. x 5in. Progressive Rear Spring J125-300
LANDRUM SPRINGS
$99.99Progressive spring rates deliver the compliance you need for smooth ride quality over bumps while maintaining the stiffness required for aggressive cornering and load transfer during hard braking. The Landrum Gold Series J125-300 is engineered for...LANJ125-300- SKU:
- LANJ125-300
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
$99.99 -
Landrum 13in. x 5in. x 100# Rear Spring J100
LANDRUM SPRINGS
$89.99If you're building a dedicated track car or street/strip machine, suspension geometry demands precision—and that starts with a properly-rated rear spring. The Landrum J100 delivers a firm 100 lb/in rate in a compact 13-inch package, giving you...LANJ100- SKU:
- LANJ100
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
$89.99 -
Landrum Pull Bar Spring 5in OD x 7in Long G600
LANDRUM SPRINGS
$74.99Pull bar springs are critical suspension components that control vehicle weight transfer and maintain chassis geometry during high-load conditions. The Landrum G600 delivers a 600 lb/in spring rate in a compact 5-inch OD package, making it ideal for...LANG600- SKU:
- LANG600
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
$74.99 -
Landrum 9.5in x 5.5in x 950# Front Spring E950
LANDRUM SPRINGS
$89.99A stiffer front spring is essential for reducing chassis dive during hard braking and maintaining consistent weight distribution under acceleration—critical for both road racing and autocross applications. The Landrum E950 delivers a 950 lb/in rate that...LANE950- SKU:
- LANE950
- Availability:
- Ships Same Business Day
- Weight:
- 9.40 LBS
$89.99 -
Landrum 9.5in x 5.5in x 750# Front Spring E750
LANDRUM SPRINGS
$89.99Front-end geometry and load transfer depend on precise spring rates—this Landrum coil spring delivers the consistent 750 lb/in rate you need for predictable handling and minimal deflection under load. Whether you're tuning a dedicated road course...LANE750- SKU:
- LANE750
- Availability:
- Ships Same Business Day
- Weight:
- 9.60 LBS
$89.99
