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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- Qty in Cart
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- Price
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On Sale
Wehrs Pull Bar w/o Spring WM560
WEHRS MACHINE
MSRP: $350.99Now: $344.00Was: $350.99A quality pull bar is essential for controlling rear-axle movement and maintaining consistent suspension geometry under hard acceleration. The Wehrs WM560 delivers reliable torque-link control without the complexity of an integrated spring system, making...WEHWM560- SKU:
- WEHWM560
- Availability:
- Ships Same Business Day
- Weight:
- 11.45 LBS
MSRP: $350.99Now: $344.00Was: $350.99 -
Allstar Performance Metric Upper Control Arm Left 9in ALL57984
ALLSTAR PERFORMANCE
$99.99A worn or damaged upper control arm directly impacts your suspension geometry, steering response, and tire wear—making it one of the most critical suspension components for maintaining consistent lap times. The Allstar Performance Metric Upper Control...ALL57984- SKU:
- ALL57984
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
$99.99 -
Spring Cup Weight Jack Bolt Combo ONE PAIR IMCA Modified Dirt USRA B-Mod Cups
J J MOTORSPORTS
$61.96Proper spring cup geometry is critical for consistent chassis performance and predictable handling in IMCA Modified and USRA B-Mod competition. This bolt-on combo eliminates guesswork during setup by providing precision-engineered components that work...234-9018- SKU:
- 234-9018
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
$61.96 -
BSB MFG Right and Left XD-Series Birdcage/Shock Mount/Swivel Kit
BSB MANUFACTURING
$887.98A quality birdcage assembly is essential for maintaining axle control and shock geometry under hard cornering and acceleration. This complete kit eliminates guesswork by pairing matched driver and passenger side components designed to work as an...236-1001- SKU:
- 236-1001
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$887.98 -
5/8 Heavy Duty Suspension Tubes - Steel
J J MOTORSPORTS
$22.95 - $29.95Suspension geometry directly impacts your car's handling, tire wear, and overall competitiveness on the track. These 5/8" heavy-duty steel tubes give you the adjustability and strength needed to dial in your setup precisely, without compromising...RCSU-0051- SKU:
- RCSU-0051
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- Made In:
- Michigan, USA
- Threads:
- 5/8-18 Left Hand & Right Hand
- Finish:
- Anodized Black
- Lengths:
- Specify your length (in inches)
$22.95 - $29.95 -
Allstar Performance Lower Control Arm RH G-Body 1978-88 ALL57804
ALLSTAR PERFORMANCE
$129.99If you're rebuilding the front suspension on a classic G-Body or looking to restore proper steering geometry and ride quality, a quality lower control arm is non-negotiable. This Allstar Performance unit replaces worn or damaged OEM components with a...ALL57804- SKU:
- ALL57804
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
- MFG Part #:
- ALL57804
$129.99 -
Allstar Performance Lower Control Arm RH Chevelle 1964-72 ALL57800
ALLSTAR PERFORMANCE
$114.99A worn or damaged lower control arm compromises suspension geometry, leading to poor handling, uneven tire wear, and unpredictable steering response—especially critical on classic A-Body Chevelles where original components have likely fatigued after...ALL57800- SKU:
- ALL57800
- Availability:
- Ships Same Business Day
- Weight:
- 12.65 LBS
- MFG Part #:
- ALL57800
$114.99 -
3/4 Heavy Duty Suspension Tubes - Steel
J J MOTORSPORTS
$24.00 - $35.00Precision suspension geometry demands components you can trust to maintain exact specifications lap after lap. These 3/4" heavy-duty steel suspension tubes deliver the rigidity and thread accuracy required for pull bars and adjustable suspension linkages...RCSU-0052- SKU:
- RCSU-0052
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- Made In:
- Michigan, USA
- Threads:
- 3/4-16 Left Hand & Right Hand
- Finish:
- Anodized Black
- Lengths:
- Specify your length (in inches)
$24.00 - $35.00Qty in Cart: 0Quantity:Price:$24.00 - $35.00Subtotal: -
Allstar Performance Upper Control Arm IMCA RH w/ Steel Cross Shaft ALL57830
ALLSTAR PERFORMANCE
$72.99If you're running IMCA competition or building a dedicated race chassis, suspension geometry is non-negotiable—and your upper control arm is critical to maintaining consistent wheel alignment under load. The Allstar Performance upper control arm delivers...ALL57830- SKU:
- ALL57830
- Availability:
- Ships Same Business Day
- Weight:
- 5.96 LBS
- MFG Part #:
- ALL57830
$72.99 -
Long Steel Turnbuckle Adjuster – 5/8" Thread, LH Male & RH Female
J J MOTORSPORTS
$24.95Precise suspension geometry is non-negotiable in racing and high-performance driving—even small adjustments can mean the difference between competitive handling and inconsistent performance. This 5-inch steel turnbuckle adjuster gives you the fine-tuning...RCSU-0056- SKU:
- RCSU-0056
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Made In:
- Michigan, USA
- Material:
- Steel
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
Heavy-Duty Steel Turnbuckle Adjuster – 5/8" Thread, LH Male & RH Female
J J MOTORSPORTS
$19.95Precision suspension tuning demands components that won't fail under load—and this heavy-duty steel turnbuckle adjuster delivers exactly that. The dual-thread configuration (LH male/RH female) lets you dial in tie rod length with absolute repeatability,...RCSU-0055- SKU:
- RCSU-0055
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Made In:
- Michigan, USA
- Material:
- Steel
$19.95 -
BSB J-Bar XD Panhard Bar 18.75in - 21.5in Adj 7045-19
BSB MANUFACTURING
$224.99Lateral chassis movement during hard cornering kills lap times and tire life. The BSB J-Bar XD Panhard Bar locks down your rear axle centerline, eliminating unwanted lateral shift while maintaining suspension compliance through the turn. With 2.75 inches...BSB7045-19- SKU:
- BSB7045-19
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- MFG Part #:
- 7045-19
$224.99 -
Spring Rubber 5.0in OD 70 Durometer Green SR.500.0070
EIBACH
$50.00Barrel spring rubbers are critical for maintaining consistent suspension geometry and absorbing vibration in high-performance applications. This 70-durometer polyurethane compound strikes the right balance between compliance and support, preventing...EIBSR.500.0070- SKU:
- EIBSR.500.0070
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$50.00 -
Allstar Performance Upper Link Brackets 1pr Q/C Multiple Holes ALL60156
ALLSTAR PERFORMANCE
$56.99If you're running a quick-change rear end, you need upper link brackets that won't compromise your suspension geometry or waste time during setup changes. The Allstar Performance Upper Link Brackets deliver the precision fitment and durability required...ALL60156- SKU:
- ALL60156
- Availability:
- Ships Same Business Day
- Weight:
- 4.26 LBS
- MFG Part #:
- ALL60156
$56.99 -
5/8" Aluminum Splined Suspension Tube – Black Anodized, Scalloped Design
J J MOTORSPORTS
$13.80 - $15.75If you're building or maintaining a high-performance suspension system, this splined tube needs to handle both precision assembly and real-world abuse. The raised splines grip your heim joint wrench without slipping, eliminating the frustration of...RCSU-5000- SKU:
- RCSU-5000
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$13.80 - $15.75 -
BSB Coilover Eliminator/ Outlaw Slider 7500
BSB MANUFACTURING
$234.99If you're running an off-road or drag racing setup that demands precision suspension geometry without the weight and complexity of coilovers, the BSB Coilover Eliminator/Outlaw Slider 7500 delivers the adjustability and durability you need. The advanced...BSB7500- SKU:
- BSB7500
- Availability:
- Ships Same Business Day
- Weight:
- 7.58 LBS
- MFG Part #:
- 7500
$234.99 -
On Sale
Wehrs Spring Bar Complete w/ Spring
WEHRS MACHINE
Now: $462.00Was: $470.99Traction control is everything on the track, and the Wehrs Spring Bar Complete gives you the fine-tuning capability to dial in your setup precisely. This pull bar system with progressive spring technology lets you adjust on-demand, eliminating guesswork...- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
Now: $462.00Was: $470.99 -
Axle Tube 2-Piece Clamp Mount for 3" Tubes with 1/2-13 Mounting Hole Race Car
J J MOTORSPORTS
$42.95REAR END 3" Tube Clamp – ALUMINUM – 2 PIECE Universal Shaped Billet Mounting Bracket 3 inch for rear ends. Anodized Billet Aluminum Universal Shaped Billet Mounting Bracket. 3” Hole for clamping, used to eliminate axle tube flex. Clamps...RCCH-009- SKU:
- RCCH-009
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$42.95 -
Lower Control Arm Kit for B-Mod IMCA Modified Chevelle 1968-72 - Includes Bushings and Ball Joints
J J MOTORSPORTS
$335.92Suspension geometry directly impacts your B-Mod's ability to hook off the line, carry speed through corners, and maintain stability under load. Worn or inadequate lower control arms compromise all three—costing you consistency and lap time. This complete...RCSU-5012- SKU:
- RCSU-5012
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$335.92 -
IMCA Spec Stock Car Metric Upper Control Arms with Ball Joints - Fits 1978-87 GM Metric Cars
J J MOTORSPORTS
$180.96If you're running a stock car in IMCA competition or maintaining a 1978-87 GM Metric vehicle, suspension geometry is non-negotiable. These IMCA Spec upper control arms bolt directly to your stock mounts with greaseable bushings and bolt-in ball joints,...RCSU-5011- SKU:
- RCSU-5011
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$180.96
