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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Lower Control Arm Kit for 1978-88 GM Metric Street Stock & Hobby Stock, Includes Ball Joints & Greasable Bushings
J J MOTORSPORTS
$339.92Lower Control Arm Kit Metric Street Stock 78-88 Upgrade your 1978-88 GM Metric Street Stock or Hobby Stock car with this premium Lower Control Arm Kit. Designed for durability and performance, this kit includes everything you need to enhance your...RCSU-5013- SKU:
- RCSU-5013
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$339.92 -
Swift Springs 10" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$111.35Swift Springs 10" x 2.5" ID Coil-Over Barrel234-9084- SKU:
- 234-9084
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$111.35 -
9" Adjustable Upper Control Arm with Aluminum Shaft
J J MOTORSPORTS
$160.009" Adjustable Upper Control Arm Adjustable from 8.75" - 9.75" Steel Aluminum Cross Shaft - 6" Mounting Hole Spacing (center to center) Accepts Small Diameter Ball Joint Pins (K772 Style) Comes Complete With Cross Shaft, Rod Ends, Adjusters, Jam Nuts,...RCSU-00240- SKU:
- RCSU-00240
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 8.75-9.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$160.00 -
11" Adjustable Upper Control Arm with Aluminum Shaft
J J MOTORSPORTS
$160.0011" Adjustable Upper Control Arm Adjustable from 10.75" - 11.75" Steel Aluminum Cross Shaft - 6" Mounting Hole Spacing (center to center) 6" Center to Center Cross Shaft (K772 Style) Accepts Small Diameter Ball Joint Pins Comes Complete With Cross...RCSU-00144- SKU:
- RCSU-00144
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.75-11.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
- Cross Shaft Material:
- Aluminum
$160.00 -
Aluminum Notched Cross Shaft 6" Hole to Hole Center for Adjustable Uppers
J J MOTORSPORTS
$35.00Aluminum Notched Cross Shaft 6" Hole to Hole Center for Adjustable Uppers Notched for Clearence Aluminum 6" Center to Center of Mounting Holes Tapped for 1/2 bolts (2) Bolts Included 9" Overall Length For Adjustable Control ArmsRCSU-0041- SKU:
- RCSU-0041
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$35.00 -
Aluminum Cross Shaft 6" Hole to Hole Center for Adjustable Uppers
J J MOTORSPORTS
$35.00Aluminum Cross Shaft 6" Hole to Hole Center for Adjustable Uppers Aluminum 6" Center to Center of Mounting Holes Tapped for 1/2 bolts (2) Bolts Included 9" Overall Length For Adjustable Control ArmsRCSU-0040- SKU:
- RCSU-0040
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$35.00 -
11" Adjustable Upper Control Arm
J J MOTORSPORTS
$140.0011" Adjustable Upper Control Arm Adjustable from 10.75" - 11.75" Steel Heim Style Cross Shaft Accepts Small Diameter Ball Joint Pins (K772 Style) Comes Complete With Rod Ends, Adjusters, Jam Nuts, Cap, And Ball Joint Pin (select ball joint pin...RCSU-0010- SKU:
- RCSU-0010
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches:
- 10.75-11.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$140.00 -
9" Adjustable Upper Control Arm
J J MOTORSPORTS
$140.009" Adjustable Upper Control Arm Adjustable from 8.75" - 9.75" Steel Heim Style Cross Shaft Accepts Small Diameter Ball Joint Pins (K772 Style) Comes Complete With Rod Ends, Adjusters, Jam Nuts, Cap, And Ball Joint Pin (select ball joint pin...RCSU-00220- SKU:
- RCSU-00220
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches:
- 8.75-9.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$140.00 -
Dirt Late Model 6th Coil Assembly with Spring
J J MOTORSPORTS
$205.99Dirt Late Model 6th Coil Assembly with Spring 6th Coil Clamp-On 2.5 in OD Spring 1.5 in OD Tube Kit w/ Spring Choose Spring LB.234-9001- SKU:
- 234-9001
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$205.99 -
Swift Springs 16" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$128.35 - $136.85Swift Springs 16" x 2.5" ID Coil-Over Barrel234-9087- SKU:
- 234-9087
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$128.35 - $136.85 -
Swift Springs 14" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$111.35 - $119.85Swift Springs 14" x 2.5" ID Coil-Over Barrel234-9086- SKU:
- 234-9086
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$111.35 - $119.85 -
Swift Springs 12" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$111.35 - $119.85Swift Springs 12" x 2.5" ID Coil-Over Barrel234-9085- SKU:
- 234-9085
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$111.35 - $119.85 -
Swift Springs 8" x 2.5" ID Coil-Over
SWIFT SPRINGS
$102.85 - $111.35Swift Springs 8" x 2.5" ID Coil-Over234-9083- SKU:
- 234-9083
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$102.85 - $111.35 -
Swift Springs 7" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$111.35 - $119.85Swift Springs 7" x 2.5" ID Coil-Over Barrel234-9082- SKU:
- 234-9082
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$111.35 - $119.85 -
Swift Springs 6" x 2.5" ID Coil-Over Barrel
SWIFT SPRINGS
$102.85 - $109.65Swift Springs 6" x 2.5" ID Coil-Over Barrel234-9081- SKU:
- 234-9081
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$102.85 - $109.65 -
Wehrs Pull Bar w/o Spring WM560
WEHRS MACHINE
$350.99Pull Bar w/o Spring WM560Torque LinkSpring Style Pull BarBronze BushingSteelBlack OxideWEHWM560- SKU:
- WEHWM560
- Availability:
- Ships Same Business Day
- Weight:
- 11.45 LBS
$350.99 -
On Sale
Wehrs Coil-Over Kit 5in for Integra WM308I
WEHRS MACHINE
MSRP: $230.99Now: $218.00Was: $230.99Coil-Over Kit 5in for Integra WM308ICoil-Over Kit5.00 in ID Spring7 in SleeveJam Nut IncludedAluminumIntegra Racing ShocksKitWEHWM308I- SKU:
- WEHWM308I
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
MSRP: $230.99Now: $218.00Was: $230.99 -
Allstar Performance Metric Upper Control Arm Left 9in ALL57984
ALLSTAR PERFORMANCE
$99.99Metric Upper Control Arm Left 9in Control Arm Tubular Driver Side Upper 9.00 in Long Bolt-In Ball Joint Steel Black Powder Coat GM Metric Frames Each Allstar Performance metric control arms provide the perfect fit and function for many hobby stock race...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
$61.96Spring Cup Weight Jack Bolt Combo ONE PAIR IMCA Modified Dirt USRA B-Mod Cups Kit Includes: (2) Jack Bolts Steel 8" Long with 1-8 Course Threads (2) Spring Cups Steel (5 in OD Spring)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
$887.98BSB MFG Right and Left XD-Series Birdcage/Shock Mount/Swivel Kit Kit Includes: (1) BSB Driver Side Birdcage BSB83702-L 3.000" Double Bearing Blue Powdercoat XD Series Steel (1) BSB Passenger Side Birdcage BSB83702-R 3.000" Double Bearing Blue...236-1001- SKU:
- 236-1001
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$887.98
