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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- Price
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On Sale
Wehrs Machine Steel Right and Left Birdcage/Shock Mount/Swivel Kit
WEHRS MACHINE
Now: $930.00Was: $1,030.00A competitive suspension setup demands components that respond precisely to track conditions while surviving the punishment of high-speed racing. The Wehrs Machine Steel Birdcage/Shock Mount/Swivel Kit delivers the adjustability and structural integrity...236-1000- SKU:
- 236-1000
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
Now: $930.00Was: $1,030.00Qty in Cart: 0Quantity:Price:Now: $930.00Was: $1,030.00Subtotal: -
High-Performance Birdcage Bearing – 3.008" ID, Blue
J J MOTORSPORTS
$36.25Worn or damaged birdcage bearings compromise suspension precision and can accelerate wear on adjacent components, directly impacting your car's handling and lap times. This 3.008" ID replacement bearing restores the tight tolerances your birdcage...RCBS-6000- SKU:
- RCBS-6000
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- Type:
- Birdcage Bearing
- ID:
- 3.008
- Color Inside:
- Blue
$36.25 -
Upper A-Arm Control Arm Bracket (2) Slugs
J J MOTORSPORTS
$17.95If you're building a custom suspension geometry or modifying your control arm mounting points, these slugs are essential for achieving precise fit and alignment. Available in multiple thicknesses, they let you dial in exact suspension geometry without...300-7013- SKU:
- 300-7013
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
$17.95 -
Upper A-Arm Control Arm Slug Kit (9)
J J MOTORSPORTS
$79.95Suspension geometry tuning requires precision, and off-the-shelf control arms often don't accommodate the specific ride height and camber adjustments your setup demands. This Upper A-Arm Control Arm Slug Kit gives you nine precision-machined spacers to...300-7012- SKU:
- 300-7012
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
$79.95 -
Upper A-Arm Control Arm Bracket and (2) Slugs Kit 6 inch Center to Center
J J MOTORSPORTS
$49.95Upgrade your upper A-arm geometry with precision-engineered control arm brackets designed for the demands of competitive racing. This kit delivers the adjustability you need to dial in your suspension geometry and optimize handling balance across both...300-7015- SKU:
- 300-7015
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
$49.95 -
Wehrs Machine 3/4 Suspension Tubes, Heims
WEHRS MACHINE
$54.48 - $58.48Wehrs Machine suspension tubes deliver the precision and durability demanded by serious racers and high-performance builds. These 3/4" tubes with Heim joints provide exceptional strength-to-weight ratio while maintaining the adjustability required for...234-9073- SKU:
- 234-9073
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$54.48 - $58.48 -
Wehrs Machine 5/8 Suspension Tubes, Heims
WEHRS MACHINE
$44.98 - $48.98Wehrs Machine suspension tubes deliver the precision and durability required for serious track work and high-performance applications. These 5/8" tubes with heim joints provide superior articulation and reduced bind compared to traditional ball joints,...234-9072- SKU:
- 234-9072
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$44.98 - $48.98 -
Wehrs Spring Style Pullbar with Spring, Steel
J J MOTORSPORTS
$5.00A quality pullbar is essential safety equipment for any dedicated racer or track-focused build. The Wehrs Spring Style Pullbar combines proven engineering with robust construction, giving you a reliable extraction point that won't fail when you need it...234-9022- SKU:
- 234-9022
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$5.00 -
Lightweight/Weld-In Weight Jack Plate Adjustment Kit
J J MOTORSPORTS
$58.96Weight distribution is critical to chassis balance, and a jack plate adjustment kit gives you the precision control needed to dial in your setup without permanent modifications. Whether you're chasing lap times or fine-tuning suspension geometry, this...236-1003- SKU:
- 236-1003
- Availability:
- Ships same business day
- Weight:
- 8.00 LBS
$58.96 -
1978-88 GM Metric G-Body Rear Control Arm Kit with Polyurethane Bushings
J J MOTORSPORTS
$428.90Worn factory control arms and rubber bushings rob your G-Body of precision handling and introduce unwanted compliance in the chassis. This complete rear control arm kit delivers the geometry and bushing material your suspension needs to perform...RCSU-5014- SKU:
- RCSU-5014
- Availability:
- Ships same business day
- Weight:
- 7.50 LBS
$428.90 -
GM Chevy Street Stock 1973-88 GM Heavy Duty Upper Rear Control Trailing Arm
SPEEDWAY MOTORS
$62.95Stock stamped control arms flex and twist under load, causing wheel hop and unpredictable handling—especially problematic in street stock racing where consistency determines winners. This heavy-duty upper rear control trailing arm replaces that weakness...2D27C508- SKU:
- 2D27C508
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$62.95 -
GM 1978-88 G-Body Street Stock Lower Rear Control Trailing Arm
SPEEDWAY MOTORS
$62.95Stock stamped rear control arms flex under load, causing wheel hop and unpredictable handling during hard acceleration and cornering. This heavy-duty lower trailing arm replaces that weakness with rigid strength, delivering the wheel control you need for...45E984EF- SKU:
- 45E984EF
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$62.95 -
Clamp-On Shock Mount for 1-3/4'' Tubing - Clevis Off-Road Racing
J J MOTORSPORTS
$29.95Off-road racing demands suspension components that can handle extreme articulation and repeated impacts without failure. This clamp-on shock mount delivers the rigidity and simplicity you need to build or upgrade a custom suspension system, whether...RCTB-2512- SKU:
- RCTB-2512
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.95 -
1/16 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)
J J MOTORSPORTS
$15.50Upper control arm alignment is critical to suspension geometry—even small deviations compound into poor handling, uneven tire wear, and lost lap time. These 1/16-inch shims let you dial in precise camber and caster adjustments without replacing entire...RCTB-2501- SKU:
- RCTB-2501
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$15.50 -
1/8 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)
J J MOTORSPORTS
$15.95Precise suspension geometry is non-negotiable in IMCA racing, and even small deviations in upper control arm alignment can compromise handling and tire wear. These 1/8-inch shims let you dial in exact ride height and camber adjustments without...RCTB-2502- SKU:
- RCTB-2502
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$15.95 -
Clamp-On 3-Position Shock Mount for 1-1/2-Inch Tubing - Powdercoated Black
J J MOTORSPORTS
$44.95Fine-tuning your suspension geometry is critical for off-road racing performance, and this clamp-on shock mount gives you the adjustability to dial in your setup without permanent modifications to your chassis tubing. With three mounting positions, you...RCBS-6015- SKU:
- RCBS-6015
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$44.95 -
Clamp-On Shock Mount for 1-3/4-Inch Tubing - Powdercoated Black
J J MOTORSPORTS
$29.95A properly secured shock mount is critical to maintaining suspension geometry and dampening consistency under racing loads. This clamp-on mount integrates seamlessly into 1-3/4-inch tubing chassis, eliminating flex and unwanted movement that compromises...RCTB-2510- SKU:
- RCTB-2510
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$29.95 -
Clamp-On Shock Mount for 2-Inch Square Tubing - Powdercoated Black
J J MOTORSPORTS
$27.95A properly mounted shock absorber is critical to maintaining suspension geometry and handling consistency under racing loads. This clamp-on mount provides a rigid attachment point for 2-inch square tubing chassis, eliminating flex that can compromise...RCBS-6014- SKU:
- RCBS-6014
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$27.95 -
Weld-On Notched Shock Mount - 2-Inch for IMCA UMP Modified Racing
J J MOTORSPORTS
$14.95Precise shock mounting is non-negotiable in IMCA and UMP modified racing, where suspension geometry directly impacts handling and lap times. This weld-on notched shock mount provides the rigid, repeatable attachment point your setup demands, eliminating...RCBS-6013- SKU:
- RCBS-6013
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$14.95 -
Clamp-On Clevis Mount for 2-Inch Square Tubing with 5/8-Inch Hole - Powder-Coated Black for Off-Road Racing
J J MOTORSPORTS
$29.95If you're running 2-inch square tubing on your off-road rig, you need a mounting solution that won't fail under load. This clamp-on clevis mount delivers a rock-solid connection with zero welding required—just bolt it on and get back to racing. The...RCTB-2513- SKU:
- RCTB-2513
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.95
