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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Steel Spacers 1" OD x 3/4" ID
J J MOTORSPORTS
$2.99 - $3.95Precision spacing is critical in dirt racing setups, and these steel spacers deliver the dimensional consistency your pull bar assembly demands. Whether you're fine-tuning chassis geometry or fabricating custom suspension components, having reliable,...RCCH-011- SKU:
- RCCH-011
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- Material:
- Steel
- ID:
- 3/4"
- OD:
- 1"
$2.99 - $3.95 -
Swift Stack Guide Adapter - Long
SWIFT SPRINGS
$89.00A quality spring guide adapter is essential for maintaining consistent valve train geometry and preventing spring coil binding during high-RPM operation. The Swift Stack Guide Adapter—Long keeps your 2.500" ID springs properly centered, reducing...SWI-SP250L- SKU:
- SWI-SP250L
- Availability:
- Will be special ordered for you
- Weight:
- 1.00 LBS
$89.00 -
Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 235 lb.
SWIFT SPRINGS
$169.15A stiffer rear spring rate transforms how your vehicle handles under load and cornering stress, especially critical for performance driving, track work, or heavily modified builds. The Swift Tight Helix design resists unwanted compression while...SWI130-500-235TH- SKU:
- SWI130-500-235TH
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
- Spring Rate:
- 235 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$169.15 -
Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 225 lb.
SWIFT SPRINGS
$169.15A properly matched rear spring is critical to suspension geometry, weight transfer, and chassis balance—especially in performance applications where setup precision separates competitive lap times from mediocre ones. The Swift Tight Helix 225 lb/in rate...SWI130-500-225TH- SKU:
- SWI130-500-225TH
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
- Spring Rate:
- 225 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$169.15 -
Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 215 lb.
SWIFT SPRINGS
$169.15A properly tuned rear spring is fundamental to vehicle dynamics—it directly impacts suspension geometry, load transfer, and tire contact during acceleration and cornering. The Swift Tight Helix design minimizes coil bind and surge, delivering consistent...SWI130-500-215TH- SKU:
- SWI130-500-215TH
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
- Spring Rate:
- 215 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$169.15 -
Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 200 lb.
SWIFT SPRINGS
$169.15A properly tuned rear suspension demands a coil spring engineered for your specific weight transfer and handling goals. The Swift Rear Coil Spring delivers a 200 lb/in rate in a compact 13" package, giving you the control and predictability needed for...SWI130-500-200TH- SKU:
- SWI130-500-200TH
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
- Spring Rate:
- 200 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$169.15 -
Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 175 lb.
SWIFT SPRINGS
$169.15If you're upgrading your rear suspension geometry or fine-tuning your setup for track performance, the Swift Rear Coil Spring delivers the predictable, consistent rate you need without compromise. The tight helix design minimizes bind and shimmy, giving...SWI130-500-175TH- SKU:
- SWI130-500-175TH
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
- Spring Rate:
- 175 lb.
- Spring Height:
- 13"
- Spring ID:
- 5"
$169.15 -
Swift Bump Spring - 500-1000 lb. Progressive
SWIFT SPRINGS
$115.00Bump stops are critical suspension components that prevent metal-to-metal contact during extreme compression, protecting your chassis and drivetrain from catastrophic damage. The Swift Bump Spring's progressive 500-1000 lb/in rate absorbs impact energy...SWISBS1000V- SKU:
- SWISBS1000V
- Availability:
- Will be special ordered for you
- Weight:
- 2.00 LBS
- Spring Rate:
- 500-1000 lb.
$115.00 -
Swift Bump Spring - 600 lb.
SWIFT SPRINGS
$90.00Bump stop springs are critical for controlling chassis compression and preventing bottoming-out during aggressive cornering, braking, and acceleration. The Swift 600 lb. spring rate provides progressive support that maintains suspension geometry while...SWI030-163-600- SKU:
- SWI030-163-600
- Availability:
- Will be special ordered for you
- Weight:
- 1.00 LBS
- LB:
- 600 lb.
- Spring Rate:
- 600 lb.
$90.00 -
Swift Bump Spring - 400 lb.
SWIFT SPRINGS
$90.00Bump stops are critical to suspension tuning—they prevent your chassis from bottoming out under extreme compression, protecting components and maintaining consistent handling through the harshest impacts. The Swift Bump Spring's 400 lb/in rate offers a...SWI030-163-400- SKU:
- SWI030-163-400
- Availability:
- Will be special ordered for you
- Weight:
- 1.00 LBS
- LB:
- 400 lb.
- Spring Rate:
- 400 lb.
$90.00 -
AFCO Stack Guide
SWIFT SPRINGS
$115.00A properly functioning coil-over suspension demands precision at every point of contact. The AFCO Stack Guide keeps your spring centered and stable on the shock tube, preventing binding and ensuring consistent spring rates throughout your suspension...SWISST-AF- SKU:
- SWISST-AF
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
- For:
- AFCO
$115.00 -
Integra Stack Guide
SWIFT SPRINGS
$115.00A quality stack guide is essential for maintaining consistent spring preload and preventing lateral movement during high-stress suspension cycles. Whether you're running a dedicated track setup or pushing your Integra to its limits, this guide ensures...SWISST-I- SKU:
- SWISST-I
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
- For:
- Integra
$115.00 -
Penske Stack Guide
SWIFT SPRINGS
$115.00A properly guided coil-over spring maintains consistent compression and prevents lateral binding during suspension articulation—critical for consistent handling and shock longevity. The Penske Stack Guide centers your spring concentrically over the...SWISST-P- SKU:
- SWISST-P
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
- For:
- Penske
$115.00 -
Wehrs Double Adjuster Threaded 3/4in RH Male 1/2 LH Fml WEHWM750500A
WEHRS MACHINE
$13.00Precise suspension geometry demands adjustable components that won't compromise durability or ease of maintenance. The Wehrs Double Adjuster delivers the fine-tuning capability your chassis needs while maintaining the robust construction required for...WEHWM750500A- SKU:
- WEHWM750500A
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$13.00 -
Wehrs Suspension Tube 8in x 5/8 -18 Thd Bent WEHWM625T8
WEHRS MACHINE
$21.00Precision suspension geometry starts with quality components, and the Wehrs suspension tube delivers the structural integrity and reliability your build demands. Whether you're dialing in a race car or fabricating a custom suspension arm, this bent tube...WEHWM625T8- SKU:
- WEHWM625T8
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 8 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
Wehrs Suspension Tube 7in x 5/8 -18 Thd Bent WEHWM625T7
WEHRS MACHINE
$21.00Precision suspension geometry demands components built to exacting standards, and this Wehrs bent suspension tube delivers the strength and accuracy required for competitive racing and high-performance builds. The 5/8-18 female threads accept standard...WEHWM625T7- SKU:
- WEHWM625T7
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 7 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
Wehrs Suspension Tube 6in x 5/8 -18 Thd Bent WEHWM625T6
WEHRS MACHINE
$21.00Precision suspension geometry demands components built to exacting standards, and this Wehrs bent suspension tube delivers the structural integrity your build requires. Whether you're fine-tuning a race car's front geometry or fabricating custom...WEHWM625T6- SKU:
- WEHWM625T6
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 6 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
Wehrs Suspension Tube 5/8in 5in Long WEHWM625T5
WEHRS MACHINE
$21.00Wehrs suspension tubes are engineered for builders who demand precision fit and reliable performance in high-stress suspension applications. This 5/8-inch female threaded tube integrates seamlessly into custom fabrication projects, offering the...WEHWM625T5- SKU:
- WEHWM625T5
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- Tube Size:
- 1 inch
- Tube Length:
- 5 inch
- Tube Threads:
- 5/8-18 inch
$21.00 -
On Sale
Wehrs Suspension Tube 15in x 5/8 -18 Thd Bent WEHWM625T15
WEHRS MACHINE
MSRP: $25.99Now: $25.00Was: $25.99Wehrs suspension tubes are engineered for precision and durability in high-performance racing applications. This 15-inch bent tube with 5/8-18 female threads provides the exact geometry and thread specifications needed for reliable suspension geometry...WEHWM625T15- SKU:
- WEHWM625T15
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 15 inch
- Tube Threads:
- 5/8-18 inch
MSRP: $25.99Now: $25.00Was: $25.99 -
On Sale
Wehrs Suspension Tube 14in x 5/8 -18 Thd Bent WEHWM625T14
WEHRS MACHINE
MSRP: $25.99Now: $25.00Was: $25.99Whether you're building a custom suspension geometry or replacing a worn component in your race setup, this Wehrs suspension tube delivers the precision fit and durability demanded by serious competitors. The 5/8-18 female threads and bent profile...WEHWM625T14- SKU:
- WEHWM625T14
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- Tube Size:
- 7/8 inch
- Tube Length:
- 14 inch
- Tube Threads:
- 5/8-18 inch
MSRP: $25.99Now: $25.00Was: $25.99
