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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WHIPITLIGHTRODS Power Adapter - Can-Am 40-300
WHIPITLIGHTRODS
$35.95Adding auxiliary lighting or accessories to your Can-Am shouldn't mean hacking into your factory wiring harness or dealing with exposed connections. The WHIPITLIGHTRODS Power Adapter integrates cleanly with your OEM taillight connector, giving you a...21201218- SKU:
- 21201218
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
WHIPITLIGHTRODS Power Adapter - Yamaha 40-400
WHIPITLIGHTRODS
$35.95Adding auxiliary lighting or accessories to your Yamaha doesn't mean hacking into the factory harness or dealing with exposed wiring. The WHIPITLIGHTRODS Power Adapter taps directly into your OEM taillight connector, delivering a clean 12V power source...21201219- SKU:
- 21201219
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
WHIPITLIGHTRODS Power Adapter - Kawasaki 40-500
WHIPITLIGHTRODS
$35.95Adding LED whip lights or custom 12V accessories to your Kawasaki shouldn't mean cutting into factory wiring and risking electrical gremlins down the road. The WHIPITLIGHTRODS Power Adapter taps directly into your OEM taillight harness, giving you a...21201220- SKU:
- 21201220
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
On Sale
Wehrs Machine Dirt Late Model Birdcage Set Aluminum LH/RH
WEHRS MACHINE
Now: $919.00Was: $972.00Building a competitive Dirt Late Model chassis demands suspension geometry that adapts to track conditions without constant redesigns. The Wehrs Machine Birdcage Set eliminates guesswork by offering modular indexing with multiple shock mount...236-1002- SKU:
- 236-1002
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
Now: $919.00Was: $972.00 -
Wehrs Suspension Tube 5in x 3/4-16 THD WM750T5
WEHRS MACHINE
$23.00Precision suspension geometry demands components engineered to exact tolerances, and this Wehrs suspension tube delivers the rigid, lightweight construction that competitive racers and serious fabricators depend on. Whether you're dialing in a custom...WEHWM750T5- SKU:
- WEHWM750T5
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- Tube Size:
- 1 inch
- Tube Length:
- 5 inch
- Tube Threads:
- 3/4-16
$23.00 -
On Sale
Wehrs Suspension Tube 14in x 3/4-16 THD WM750T14
WEHRS MACHINE
MSRP: $27.99Now: $27.00Was: $27.99Precision suspension geometry demands precision components—and the Wehrs Suspension Tube delivers exactly that. This CNC-spec aluminum tube is engineered for exact fitment in custom fabrication and race-car suspension builds where tolerances matter...WEHWM750T14- SKU:
- WEHWM750T14
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- Tube Size:
- 1 inch
- Tube Length:
- 14 inch
- Tube Threads:
- 3/4-16
MSRP: $27.99Now: $27.00Was: $27.99 -
Wehrs Suspension Tube 7.5in x 5/8-18 THD WM625T7.5
WEHRS MACHINE
$21.00Suspension geometry demands precision components that won't flex or fail under extreme loads. The Wehrs Suspension Tube delivers the structural integrity and tight tolerances required for consistent handling, whether you're tuning a street rod, circle...WEHWM625T7.5- SKU:
- WEHWM625T7.5
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 7.5 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
Wehrs Suspension Tube 5.5in x 5/8-18 THD WM625T5.5
WEHRS MACHINE
$21.00Precision suspension geometry demands components built to exacting tolerances, and this Wehrs suspension tube delivers the structural integrity your build requires. Whether you're fine-tuning a race car's handling characteristics or fabricating a custom...WEHWM625T5.5- SKU:
- WEHWM625T5.5
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 5.5 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
Wehrs Suspension Tube 4.5in x 5/8-18 THD WM625T4.5
WEHRS MACHINE
$21.00Precision suspension geometry requires components you can trust, and this Wehrs suspension tube delivers exactly that. Whether you're fine-tuning your suspension linkage or replacing a worn component, this CNC-manufactured tube ensures repeatable...WEHWM625T4.5- SKU:
- WEHWM625T4.5
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 4.5 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
On Sale
Wehrs Coil-Over Kit 5in for Integra WM308I
WEHRS MACHINE
MSRP: $230.99Now: $226.00Was: $230.99If you're building a serious Integra for road racing or autocross, suspension geometry and dampening control are non-negotiable. The Wehrs Coil-Over Kit delivers adjustable ride height and spring preload in one bolt-on package, letting you dial in your...WEHWM308I- SKU:
- WEHWM308I
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
MSRP: $230.99Now: $226.00Was: $230.99 -
On Sale
Wehrs Coil-Over Kit 5in For Fox WM308F
WEHRS MACHINE
MSRP: $230.99Now: $226.00Was: $230.99A quality coil-over suspension system is essential for serious racers and performance enthusiasts who demand precise handling, consistent ride height control, and the ability to fine-tune spring rates for different track conditions. The Wehrs Coil-Over...WEHWM308F- SKU:
- WEHWM308F
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
MSRP: $230.99Now: $226.00Was: $230.99 -
On Sale
U-B Control Arm Lower Camaro Left 32-1230-L
U-B MACHINE
MSRP: $233.99Now: $226.97Was: $233.99Restoring or upgrading your classic F-Body Camaro's suspension geometry requires a control arm built to original specifications—and this lower control arm delivers exactly that. A worn or bent lower control arm compromises steering response, tire wear...UBM32-1230-L- SKU:
- UBM32-1230-L
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
MSRP: $233.99Now: $226.97Was: $233.99 -
On Sale
U-B Control Arm 12in Monoball BJ Quad Bearing 16-1203-A-QB
U-B MACHINE
MSRP: $165.99Now: $160.04Was: $165.99A quality upper control arm is fundamental to suspension geometry, affecting everything from steering response to tire wear. The U-B 12-inch monoball design with quad bearing construction delivers the precision articulation and durability that racers and...UBM16-1203-A-QB- SKU:
- UBM16-1203-A-QB
- Availability:
- Ships Same Business Day
- Weight:
- 4.94 LBS
MSRP: $165.99Now: $160.04Was: $165.99 -
Helper Spring C/O 2.5in 5.0in Tall 100lb H025-127-100
SWIFT SPRINGS
$76.50Helper springs are essential for fine-tuning suspension response and eliminating unwanted chassis movement during acceleration, braking, and cornering. This 100lb rate spring compresses only when needed, reducing squat and dive while maintaining ride...SWIH025-127-100- SKU:
- SWIH025-127-100
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- Spring Rate:
- 100 lb.
- Spring Height:
- 5"
- Spring ID:
- 5"
$76.50 -
Bump Rubber 1.00in Thick 2in OD x .50in ID Blue RE-BR-5150F-1000-65B
RE SUSPENSION
$28.99Bump stops are critical suspension components that prevent metal-to-metal contact when your suspension compresses to full travel, protecting expensive components from catastrophic damage. This 5150 foam puck provides progressive cushioning that absorbs...RESRE-BR-5150F-1000-65B- SKU:
- RESRE-BR-5150F-1000-65B
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$28.99 -
QA1 TUNING KIT SMALL BODY TK11
QA1
$289.95Fine-tuning your shock performance separates competitive lap times from mediocre ones. The QA1 Tuning Kit Small Body TK11 gives you advanced adjustability across critical valving parameters, letting you dial in damping characteristics to match your...QA1TK11- SKU:
- QA1TK11
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
QA1 TUNING KIT LARGE BODY TK10
QA1
$310.95Fine-tuning your suspension's damping characteristics is essential for extracting maximum performance across varying track conditions and setup changes. The QA1 Tuning Kit Large Body allows you to adjust compression and rebound settings without replacing...QA1TK10- SKU:
- QA1TK10
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
$310.95 -
QA1 REBUILD KIT LARGE BODY RK13
QA1
$32.95Keeping your QA1 shocks performing at peak efficiency requires more than just hope—it demands a quality rebuild kit engineered to restore your suspension to factory specifications. The RK13 rebuild kit gives you the precision-engineered seals, pistons,...QA1RK13- SKU:
- QA1RK13
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$32.95 -
QA1 COIL OVER KIT 2.5IN ID 7Q SERIES CK7Q01
QA1
$82.95Precision suspension tuning demands a coil-over system that responds predictably to driver input and track conditions. The QA1 7Q Series delivers adjustable ride height and spring preload in a compact, durable package—essential for racers who need to...QA1CK7Q01- SKU:
- QA1CK7Q01
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
$82.95 -
QA1 COIL OVER KIT 2.5IN ID 26 SERIES 7IN STROKE CK2670
QA1
$95.95Precision suspension tuning demands a coil-over system that delivers repeatable performance without compromise. The QA1 26 Series gives you independent ride height and spring rate adjustment, essential for dial-in on the track or street. With a robust...QA1CK2670- SKU:
- QA1CK2670
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal:
