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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Bilstein Shock SNS2 7in Comp 4 Reb 10 33-304106
BILSTEIN
$249.00The Bilstein SNS2 delivers the damping control and adjustability serious racers and hardcore enthusiasts demand. With a 7-inch compression and 10-inch rebound tune, this monotube shock maintains consistent performance across a wide range of track...BIL33-304106- SKU:
- BIL33-304106
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
$249.00Qty in Cart: 0Quantity:Price:$249.00Subtotal: -
Bilstein Shock SNS2-BV 9in Comp 10 Reb 2 33-298238
BILSTEIN
$449.00The Bilstein SNS2-BV monotube shock delivers consistent damping performance across compression and rebound cycles, making it essential for racers and enthusiasts who demand predictable suspension behavior under sustained track conditions. Built with a...BIL33-298238- SKU:
- BIL33-298238
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$449.00Qty in Cart: 0Quantity:Price:$449.00Subtotal: -
Bilstein Shock SNS2-BV 9in Comp 9 Reb 2 33-298221
BILSTEIN
$449.00The Bilstein SNS2-BV monotube shock delivers precision damping control for serious track applications and high-performance builds. With a tuned C9-R2 valve and robust steel construction, this shock handles aggressive compression and rebound demands...BIL33-298221- SKU:
- BIL33-298221
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$449.00Qty in Cart: 0Quantity:Price:$449.00Subtotal: -
Bilstein Shock SNS2-BV 9in Comp 8 Reb 2 33-298191
BILSTEIN
$449.00The Bilstein SNS2-BV monotube shock delivers consistent damping control across compression and rebound cycles, making it a reliable choice for track-focused builds and serious street applications. Its tunable valve configuration (C8-R2) allows fine-tuned...BIL33-298191- SKU:
- BIL33-298191
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$449.00 -
Bilstein Shock SNS2-BV 9in Comp 3 Reb 5 33-298092
BILSTEIN
$449.00The Bilstein SNS2-BV shock absorber delivers precise damping control for high-performance applications where suspension tuning directly impacts lap times and handling consistency. With its monotube design and adjustable compression/rebound valving, this...BIL33-298092- SKU:
- BIL33-298092
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$449.00 -
Bilstein Shock SNS2-BV 7in Comp 4 Reb 12 33-298023
BILSTEIN
$449.00The Bilstein SNS2-BV monotube shock delivers consistent damping control across compression and rebound cycles, making it an ideal choice for racers and performance builders who demand reliable suspension response under demanding conditions. With a tuned...BIL33-298023- SKU:
- BIL33-298023
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
$449.00Qty in Cart: 0Quantity:Price:$449.00Subtotal: -
Bilstein Shock SNS2-BV 7in Comp 2 Reb 10 33-297910
BILSTEIN
$449.00The Bilstein SNS2-BV monotube shock delivers precise damping control and consistent performance across a wide range of driving conditions, making it essential for both track and street applications where reliability matters. Its compact 7-inch...BIL33-297910- SKU:
- BIL33-297910
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
$449.00Qty in Cart: 0Quantity:Price:$449.00Subtotal: -
Allstar Performance Heavy Duty 3/4in Suspension Tube 13in ALL57460
ALLSTAR PERFORMANCE
$24.99Suspension tubing is the backbone of any race-ready chassis, and this Allstar Performance tube delivers the durability and precision fit you need for demanding track applications. Built from quality steel and threaded for secure, repeatable connections,...ALL57460- SKU:
- ALL57460
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
- Tube Size:
- 1 inch
- Material:
- Steel
- Tube Length:
- 13 inch
- Tube Threads:
- 3/4-18 inch
$24.99 -
Allstar Performance Heavy Duty 5/8in Suspension Tube 16-1/2in ALL57367
ALLSTAR PERFORMANCE
$24.99Suspension tubing forms the backbone of any reliable chassis setup, and undersized or low-quality components will compromise your handling and safety under load. This Allstar Performance suspension tube delivers the strength and precision fit you need...ALL57367- SKU:
- ALL57367
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- Tube Size:
- 7/8 inch
- Material:
- Steel
- Tube Length:
- 16.5 inch
- Tube Threads:
- 5/8-18 inch
$24.99 -
AFCO 9in IMCA Dry Kit 3 Port Linear Digressive Shock 84-9-6P-D
AFCO RACING PRODUCTS
$219.99IMCA racing demands precision suspension geometry that responds consistently lap after lap—and this AFCO 84 Series monotube shock delivers exactly that. The 3-port linear/digressive valving lets you dial in the perfect balance between bump compliance and...AFC84-9-6P-D- SKU:
- AFC84-9-6P-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
AFCO 9in IMCA Dry Kit 3 Port Linear Shock 84 Series Monotube 14.95in Compressed 23.85in Extended 2.00in OD IMCA Approved Steel Blue Paint 84-9-3P-6P
AFCO RACING PRODUCTS
$219.99The AFCO 84 Series 9-inch IMCA monotube shock delivers the consistency and control your race car demands, whether you're running asphalt or dirt circuits. Built to IMCA specifications with a rigid steel construction, this shock handles the punishment of...AFC84-9-3P-6P- SKU:
- AFC84-9-3P-6P
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
PPM Racing 6th Coil Clamp-On - 2.500 in OD Spring - 1-1/2 in Tube PPM0260-R
PPM RACING COMPONENTS
$164.99A sixth coil clamp-on system lets you fine-tune suspension stiffness without replacing your entire spring pack—essential for racers who need to dial in handling for different track conditions or weight configurations. This PPM Racing kit installs quickly...PPM0260-R- SKU:
- PPM0260-R
- Availability:
- Usually ships within 24 hours
- Weight:
- 3.00 LBS
$164.99Qty in Cart: 0Quantity:Price:$164.99Subtotal: -
On Sale
Wehrs Trailing Arm Bracket Kit For WEHWM441 WEHWM442K
WEHRS MACHINE
MSRP: $110.99Now: $109.00Was: $110.99Trailing arm brackets are critical to rear suspension geometry, directly affecting your vehicle's handling, weight transfer, and cornering stability. The Wehrs clamp-on design delivers a secure, repeatable mounting solution without the need for welding,...WEHWM442K- SKU:
- WEHWM442K
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
MSRP: $110.99Now: $109.00Was: $110.99 -
On Sale
Wehrs Trailing Arm Rear Center Pull Behind Axle WEHWM441
WEHRS MACHINE
MSRP: $130.99Now: $128.00Was: $130.99A quality trailing arm is essential for maintaining consistent rear axle geometry under acceleration and cornering loads—especially in high-horsepower applications where chassis control directly impacts lap times and driver safety. The Wehrs center-pull...WEHWM441- SKU:
- WEHWM441
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
MSRP: $130.99Now: $128.00Was: $130.99 -
On Sale
Wehrs Shock Mount Lower A-Arm Dropped WEHWM371
WEHRS MACHINE
MSRP: $40.99Now: $40.00Was: $40.99Lower A-arm geometry directly impacts your suspension's ability to maintain consistent contact patch under load—critical whether you're chasing lap times or dialing in street handling. The Wehrs Shock Mount Lower A-Arm Dropped gives you the adjustability...WEHWM371- SKU:
- WEHWM371
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $40.99Now: $40.00Was: $40.99 -
On Sale
Wehrs Shock Plate Dbl Slot 1/2in Holes WEHWM200-3-500-S-F-1
WEHRS MACHINE
MSRP: $45.99Now: $45.00Was: $45.99Dirt late model suspension demands precise adjustability to dial in your setup across varying track conditions—this Wehrs shock plate delivers the mounting flexibility needed to fine-tune your chassis geometry. The double-slot 1/2" hole design integrates...WEHWM200-3-500-S-F-1- SKU:
- WEHWM200-3-500-S-F-1
- Availability:
- Ships Same Business Day
- Weight:
- 3.16 LBS
MSRP: $45.99Now: $45.00Was: $45.99 -
On Sale
U-B Liner / Bushing for UBM46-0050 (each) 46-0050-L
U-B MACHINE
MSRP: $34.99Now: $33.94Was: $34.99Suspension geometry demands precision, and worn bushings compromise both handling and safety—this replacement liner restores the tight tolerances your trailing arm bracket requires. A greaseable design extends service life and maintains consistent...UBM46-0050-L- SKU:
- UBM46-0050-L
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $34.99Now: $33.94Was: $34.99 -
On Sale
U-B Tube 1 x 10 x 5/8 RH 11/16 LH 42-1002-CB
U-B MACHINE
MSRP: $35.99Now: $34.91Was: $35.99Precision suspension geometry depends on components that won't flex, fail, or deviate under load—and this U-B tube delivers exactly that. Whether you're dialing in a street machine or building a dedicated race car, a properly engineered suspension tube...UBM42-1002-CB-PC- SKU:
- UBM42-1002-CB-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
MSRP: $35.99Now: $34.91Was: $35.99 -
Conventional Spring 20in x 5in x 150lbs 200-500-150
SWIFT SPRINGS
$153.85A properly matched rear spring is critical for maintaining suspension geometry, ride height, and load-carrying capacity—especially in performance applications where inconsistent spring rates compromise handling and durability. This 150 lb/in conventional...SWI200-500-150- SKU:
- SWI200-500-150
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- Spring Rate:
- 150 lb.
- Spring Height:
- 20"
- Spring ID:
- 5"
$153.85Qty in Cart: 0Quantity:Price:$153.85Subtotal: -
Coilover Spring 12in x 2.5in x 450lb 120-250-450 B
SWIFT SPRINGS
$111.35A properly tuned suspension starts with the right spring rate, and this 450lb coilover delivers the stiffness needed for precision handling and consistent performance across varied track conditions. Whether you're dialing in your setup for road racing,...SWI120-250-450B- SKU:
- SWI120-250-450B
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- Spring Rate:
- 450 lb.
- Spring Height:
- 12"
- Spring ID:
- 2.5"
$111.35
