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
- Quantity
- Price
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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...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...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,...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...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,...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...RCTB-2513- SKU:
- RCTB-2513
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.95 -
Clamp-On Shock Mount for 1-1/4-Inch Tubing - Powdercoated Black
J J MOTORSPORTS
$28.50A properly mounted shock absorber directly impacts your suspension's responsiveness and chassis stability—two factors that separate competitive lap times from the field. This clamp-on mount delivers...RCTB-2508- SKU:
- RCTB-2508
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$28.50 -
Lightweight 2-1/2-Inch Offset Spring Cup for 3-Inch Axle Tubing - Fits 5-Inch Springs
J J MOTORSPORTS
$29.95Proper spring positioning is critical to suspension geometry—too centered and you lose the mechanical advantage you need for consistent handling and load transfer. This offset spring cup shifts your...RCTB-2507- SKU:
- RCTB-2507
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$29.95 -
Lightweight Weld-On Spring Cup for 3-Inch Tubing - Fits 5-Inch Springs, Off-Road Suspension
J J MOTORSPORTS
$29.95When you're building a custom off-road suspension, your spring cup is the critical foundation that translates spring rate into actual performance. This lightweight weld-on design gives you the...RCTB-2506- SKU:
- RCTB-2506
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$29.95 -
Shock Mount Concave UMP IMCA Modified Racing Off Road Dirt track Weld On
J J MOTORSPORTS
$5.95Proper shock mounting is critical for chassis rigidity and suspension geometry in competitive dirt track racing. This concave weld-on mount provides a secure, adjustable connection point that...RCTB-2505- SKU:
- RCTB-2505
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$5.95 -
On Sale
Wehrs Supension Travel Limter w/500lb Spring WEHWM291500
WEHRS MACHINE
MSRP: $169.99Now: $153.00Was: $169.99Suspension travel limiters are critical for maintaining consistent suspension geometry and preventing bottoming-out during aggressive driving or off-road conditions. This Wehrs limiter keeps your...WEHWM291500- SKU:
- WEHWM291500
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
MSRP: $169.99Now: $153.00Was: $169.99 -
On Sale
Wehrs Spring Slider 2.5in Dual Bearing 2in Ext Coarse WEHWM251-2C-2.5
WEHRS MACHINE
MSRP: $300.99Now: $246.00Was: $300.99Spring sliders are critical for maintaining consistent suspension geometry during weight transfer and chassis articulation. The Wehrs dual-bearing design reduces friction and binding, allowing your...WEHWM251-2C-2.5- SKU:
- WEHWM251-2C-2.5
- Availability:
- Ships Same Business Day
- Weight:
- 7.59 LBS
MSRP: $300.99Now: $246.00Was: $300.99 -
On Sale
Wehrs Spring Slider 5in Dual Bearing 2in Ext Coarse WEHWM251-2C
WEHRS MACHINE
MSRP: $300.99Now: $270.00Was: $300.99The Wehrs Spring Slider is engineered for racers and fabricators who demand precision control over suspension geometry and travel. Its dual-bearing design minimizes friction while providing...WEHWM251-2C- SKU:
- WEHWM251-2C
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
MSRP: $300.99Now: $270.00Was: $300.99 -
Allstar Performance Bushing Style Pull Bar Dual Shaft ALL56365
ALLSTAR PERFORMANCE
$439.99Unwanted axle wrap during hard acceleration doesn't just kill your 60-foot time—it can wreak havoc on your drivetrain geometry and suspension setup. The Allstar Performance Bushing Style Pull Bar...ALL56365- SKU:
- ALL56365
- Availability:
- Ships Same Business Day
- Weight:
- 11.19 LBS
$439.99 -
Allstar Performance Bushing Style Pull Bar Dual Shaft Small Bushing ALL56362
ALLSTAR PERFORMANCE
$359.99Lateral chassis movement under acceleration kills consistency and costs you hundredths on the track. This Allstar bushing-style pull bar controls rear-end deflection with dual-shaft geometry, keeping...ALL56362- SKU:
- ALL56362
- Availability:
- Ships Same Business Day
- Weight:
- 8.52 LBS
$359.99Qty in Cart: 0Quantity:Price:$359.99Subtotal: -
AFCO Modular Upper Ball Joint Collar Ring Straight 19060
AFCO RACING PRODUCTS
$43.99Upper control arm geometry is fundamental to suspension performance, and a quality ball joint collar ring is essential for maintaining precise alignment and repeatability across heat cycles. The AFCO...AFC19060- SKU:
- AFC19060
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
$43.99Qty in Cart: 0Quantity:Price:$43.99Subtotal: -
Swivel Shock Mount
J J MOTORSPORTS
$22.00Shock articulation is critical to suspension responsiveness under load. A quality swivel mount isolates deflection and reduces binding, directly improving lap times and component longevity. This...RCSU-0060- SKU:
- RCSU-0060
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Made In:
- Michigan, USA
- Type:
- Swivel Shock Mount
$22.00 -
Ships Free
J Bar Mount Panhard Rear End Quick Change 3-Position Pinion Mount Single Climber
J J MOTORSPORTS
$99.95Quick-change rear ends demand precision in every adjustment, and pinion angle is non-negotiable for traction and chassis balance. This J Bar Mount system gives you three position settings to dial in...RCDR-0030- SKU:
- RCDR-0030
- Availability:
- Ships Same Business Day
- Weight:
- 5.23 LBS
- Material:
- Aluminum
- Climber Hardware:
- Included
- Seal:
- Included
- Bolt Pattern:
- 12 Bolt
- Made In:
- Michigan, USA
$99.95 -
On Sale
Wehrs 6TH Coil Mount for 2.5id x 4in Spring WEHWM80
WEHRS MACHINE
MSRP: $120.99Now: $109.00Was: $120.99A properly engineered 6th coil mount is essential for maintaining suspension geometry and preventing bind during full-articulation movements. This Wehrs mount delivers the precision fitment and...WEHWM80- SKU:
- WEHWM80
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- MFG Part #:
- WM80
MSRP: $120.99Now: $109.00Was: $120.99 -
On Sale
Wehrs Pinon Mount Sng Sided QC Steel Climber w/Seal WEHWM407
WEHRS MACHINE
MSRP: $175.99Now: $158.00Was: $175.99If you're running a rear suspension setup that demands precision adjustability and quick-change functionality, the Wehrs Pinon Mount Single Sided QC Steel Climber delivers both without compromise...WEHWM407- SKU:
- WEHWM407
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MFG Part #:
- WM407
MSRP: $175.99Now: $158.00Was: $175.99
