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
-
Bump Stop Spring 1600lb SBS1600
SWIFT SPRINGS
$92.65Bump Stop Spring 1600lb Bump Stop Spring2.125 in Free Length2.000 in OD1600 lb/in Spring RateSteelNaturalEachSWISBS1600- SKU:
- SWISBS1600
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- SBS1600
- Spring Rate:
- 1600 lb.
$92.65 -
Bump Stop Spring 1400lb SBS1400
SWIFT SPRINGS
$92.65Bump Stop Spring 1400lb Bump Stop Spring2.125 in Free Length2.000 in OD1400 lb/in Spring RateSteelNaturalEachSWISBS1400- SKU:
- SWISBS1400
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS1400
- Spring Rate:
- 1400 lb.
$92.65 -
Bump Stop Spring Flat Wire 1200 SBS1200S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 1200Bump Stop Spring2.250 in Free Length2.500 in OD1200 lb/in Spring RateSteelCopper Powder CoatEachSWISBS1200S- SKU:
- SWISBS1200S
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- SBS1200S
$120.70 -
Bump Stop Spring 1200lb SBS1200
SWIFT SPRINGS
$92.65Bump Stop Spring 1200lb Bump Stop Spring2.125 in Free Length2.000 in OD1200 lb/in Spring RateSteelNaturalEachSWISBS1200- SKU:
- SWISBS1200
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS1200
$92.65 -
Bump Stop Spring Flat Wire 1000 SBS1000S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 1000Bump Stop Spring2.250 in Free Length2.500 in OD1000 lb/in Spring RateSteelCopper Powder CoatEachSWISBS1000S- SKU:
- SWISBS1000S
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MFG Part #:
- SBS1000S
$120.70 -
Bump Stop Spring 1000lb SBS1000
SWIFT SPRINGS
$92.65Bump Stop Spring 1000lb Bump Stop Spring2.125 in Free Length2.000 in OD1000 lb/in Spring RateSteelNaturalEachSWISBS1000- SKU:
- SWISBS1000
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS1000
- Spring Rate:
- 1000 lb.
$92.65 -
Bump Stop Spring Flat Wire 900 SBS0900S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 900Bump Stop Spring2.250 in Free Length2.500 in OD900 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0900S- SKU:
- SWISBS0900S
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- SBS0900S
$120.70 -
Bump Stop Spring Flat Wire 800 SBS0800S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 800Bump Stop Spring2.250 in Free Length2.500 in OD800 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0800S- SKU:
- SWISBS0800S
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- SBS0800S
$120.70 -
Bump Stop Spring 800lb SBS0800
SWIFT SPRINGS
$92.65Bump Stop Spring 800lb Bump Stop Spring2.125 in Free Length2.000 in OD800 lb/in Spring RateSteelNaturalEachSWISBS0800- SKU:
- SWISBS0800
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS0800
- Spring Rate:
- 800 lb.
$92.65Qty in Cart: 0Quantity:Price:$92.65Subtotal: -
Bump Stop Spring Flat Wire 700 SBS0700S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 700Bump Stop Spring2.250 in Free Length2.500 in OD700 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0700S- SKU:
- SWISBS0700S
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- SBS0700S
$120.70 -
Bump Stop Spring 700lb SBS0700
SWIFT SPRINGS
$92.65Bump Stop Spring 700lb Bump Stop Spring2.125 in Free Length2.000 in OD700 lb/in Spring RateSteelNaturalEachSWISBS0700- SKU:
- SWISBS0700
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- SBS0700
- Spring Rate:
- 700 lb.
$92.65 -
Bump Stop Spring Flat Wire 600 SBS0600S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 600Bump Stop Spring2.250 in Free Length2.500 in OD600 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0600S- SKU:
- SWISBS0600S
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- SBS0600S
$120.70 -
Bump Stop Spring 600lb SBS0600
SWIFT SPRINGS
$92.65Bump Stop Spring 600lb Bump Stop Spring2.125 in Free Length2.000 in OD600 lb/in Spring RateSteelNaturalEachSWISBS0600- SKU:
- SWISBS0600
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS0600
- Spring Rate:
- 600 lb.
$92.65 -
Bump Stop Spring Flat Wire 500 SBS0500S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 500Bump Stop Spring2.250 in Free Length2.500 in OD500 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0500S- SKU:
- SWISBS0500S
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- MFG Part #:
- SBS0500S
$120.70 -
Bump Stop Spring 500lb SBS0500
SWIFT SPRINGS
$92.65Bump Stop Spring 500lb Bump Stop Spring2.125 in Free Length2.000 in OD500 lb/in Spring RateSteelNaturalEachSWISBS0500- SKU:
- SWISBS0500
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- SBS0500
- Spring Rate:
- 500 lb.
$92.65 -
Bump Stop Spring Flat Wire 400 SBS0400S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 400Bump Stop Spring2.250 in Free Length2.500 in OD400 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0400S- SKU:
- SWISBS0400S
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- SBS0400S
$120.70 -
Bump Stop Spring 400lb SBS0400
SWIFT SPRINGS
$92.65Bump Stop Spring 400lb Bump Stop Spring2.125 in Free Length2.000 in OD400 lb/in Spring RateSteelNaturalEachSWISBS0400- SKU:
- SWISBS0400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- SBS0400
- Spring Rate:
- 400 lb.
$92.65 -
Bump Stop Spring Flat Wire 300 SBS0300S
SWIFT SPRINGS
$120.70Bump Stop Spring Flat Wire 300Bump Stop Spring2.250 in Free Length2.500 in OD300 lb/in Spring RateSteelCopper Powder CoatEachSWISBS0300S- SKU:
- SWISBS0300S
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- SBS0300S
$120.70 -
Helper Spring C/O 2.8in Tall 45lb H65-070-008
SWIFT SPRINGS
$79.05Helper Spring C/O 2.8in Tall 45lbCoil SpringTake Up2.625 in ID2.800 in Tall45 lb Spring RateGoldEachSWIH65-070-008- SKU:
- SWIH65-070-008
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- H65-070-008
- Spring Rate:
- 45 lb.
$79.05 -
Helper Spring C/O 2.4in Tall 168# H65-060-030
SWIFT SPRINGS
$79.05Helper Spring C/O 2.4in Tall 168#Coil SpringTake Up2.625 in ID2.400 in Length168 lb Spring RateGoldEachSWIH65-060-030- SKU:
- SWIH65-060-030
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- H65-060-030
- Spring Rate:
- 168 lb.
$79.05