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
-
Pro Shock C/O Kit ACF Shock Tapered Spring Seat C353
PRO SHOCK
$78.74C/O Kit ACF Shock Tapered Spring SeatCoil-Over Kit2.500 in ID SpringTapered Spring SeatsAluminumRed AnodizedACF Series ShocksKitPROC353- SKU:
- PROC353
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MFG Part #:
- C353
$78.74 -
Pro Shock C/O Kit ACF Shock Flat Spring Seat C352
PRO SHOCK
$78.74C/O Kit ACF Shock Flat Spring SeatCoil-Over Kit2.500 in ID SpringFlat Spring SeatsAluminumRed AnodizedACF Series ShocksKitPROC352- SKU:
- PROC352
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- C352
$78.74 -
Pro Shock Coil-Over Kit 5.0in For Black WB C327WB
PRO SHOCK
$125.99Coil-Over Kit 5.0in For Black WBCoil-Over Kit5.000 in ID Spring5.5 in SleeveAluminumBlack AnodizedWB-Series Pro ShockKitPROC327WB- SKU:
- PROC327WB
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MFG Part #:
- C327WB
$125.99 -
Pro Shock Coil-Over Kit 2.5in For Black WB C300WB
PRO SHOCK
$89.24Coil-Over Kit 2.5in For Black WBCoil-Over Kit2.500 in ID Spring5.5 in SleeveAluminumBlack AnodizedWB-Series Pro ShockKitPROC300WB- SKU:
- PROC300WB
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- C300WB
$89.24 -
Pro Shock Aluminum Coil-Over Kit C300
PRO SHOCK
$89.24Aluminum Coil-Over Kit Coil-Over Kit2.500 in ID SpringAluminumBlack Anodized2.000 in Smooth Body ShockKitPROC300- SKU:
- PROC300
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- C300
$89.24 -
Pro Shock Bearing Mount 1/2in B200A
PRO SHOCK
$36.74Bearing Mount 1/2in Shock EndSpherical1/2 in Bore9/16-18 in Right Hand Female ThreadAluminumGold AnodizedPro Shock 2.00 in Body ShocksEachPROB200A- SKU:
- PROB200A
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- B200A
$36.74 -
Pro Shock Threaded Body Aluminum "AC" Series 9 Inch - 5C - 5R Shock AC950B
PRO SHOCK
$278.24Threaded Body Aluminum ShockShockAC SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD5-5 ValveThreaded AluminumGold AnodizedEachPROAC950B- SKU:
- PROAC950B
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- MFG Part #:
- AC950B
$278.24Qty in Cart: 0Quantity:Price:$278.24Subtotal: -
Pro Shock Threaded Body Aluminum "AC" Series 9 Inch - 4C - 6R Split Valve Shock AC946B
PRO SHOCK
$278.24Threaded Body Aluminum Split Valve ShockShockAC SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD4-6 ValveThreaded AluminumGold AnodizedEachPROAC946B- SKU:
- PROAC946B
- Availability:
- Ships Same Business Day
- Weight:
- 4.01 LBS
- MFG Part #:
- AC946B
$278.24 -
Pro Shock Threaded Body Aluminum "AC" Series Split Valve 7 Inch - 5C - 4R Shock AC754B
PRO SHOCK
$278.24Threaded Body Aluminum Split Valve ShockShockAC SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-4 ValveThreaded AluminumGold AnodizedEachPROAC754B- SKU:
- PROAC754B
- Availability:
- Ships Same Business Day
- Weight:
- 3.51 LBS
- MFG Part #:
- AC754B
$278.24Qty in Cart: 0Quantity:Price:$278.24Subtotal: -
Pro Shock Threaded Body Aluminum "AC" Series 7 Inch - 4C - 6R Split Valve Shock AC746B
PRO SHOCK
$278.24Threaded Body Aluminum Split Valve ShockShockAC SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD4-6 ValveThreaded AluminumGold AnodizedEachPROAC746B- SKU:
- PROAC746B
- Availability:
- Ships Same Business Day
- Weight:
- 3.54 LBS
- MFG Part #:
- AC746B
$278.24 -
Pro Shock Threaded Body Aluminum "AC" Series 7 Inch 4C - 4R Shock AC740B
PRO SHOCK
$278.24Threaded Body Aluminum ShockShockAC SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD4-4 ValveThreaded AluminumGold AnodizedEachPROAC740B- SKU:
- PROAC740B
- Availability:
- Ships Same Business Day
- Weight:
- 3.53 LBS
- MFG Part #:
- AC740B
$278.24 -
Pro Shock Threaded Body Aluminum "AC" Series 5 Inch - 5C - 5R Split Valve Shock AC557B
PRO SHOCK
$278.24Threaded Body Aluminum Split Valve ShockShockAC SeriesTwintube10.50 in Compressed / 15.50 in Extended2.00 in OD5-7 ValveThreaded AluminumGold AnodizedEachPROAC557B- SKU:
- PROAC557B
- Availability:
- Ships Same Business Day
- Weight:
- 2.97 LBS
- MFG Part #:
- AC557B
$278.24 -
Pro Shock Threaded Body Aluminum "AC" Series 5 Inch 5C - 5R Shock AC550B
PRO SHOCK
$278.24Threaded Body Aluminum ShockShockAC SeriesTwintube10.50 in Compressed / 15.50 in Extended2.00 in OD5-5 ValveThreaded AluminumGold AnodizedEachPROAC550B- SKU:
- PROAC550B
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- MFG Part #:
- AC550B
$278.24 -
Pro Shock Aluminum Body "A" Series 9 Inch 5C 5R Shock A950B
PRO SHOCK
$278.24Aluminum Body Shock 9in StrokeShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD5-5 ValveSmooth AluminumGold AnodizedEachPROA950B- SKU:
- PROA950B
- Availability:
- Ships Same Business Day
- Weight:
- 3.74 LBS
- MFG Part #:
- A950B
$278.24 -
Pro Shock Aluminum Body "A" Series 9 Inch 4C 6R Split Valve Shock A946B
PRO SHOCK
$278.24Aluminum Body Split Valve ShockShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD4-6 ValveSmooth AluminumGold AnodizedEachPROA946B- SKU:
- PROA946B
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- MFG Part #:
- A946B
$278.24Qty in Cart: 0Quantity:Price:$278.24Subtotal: -
Pro Shock Aluminum Body "A" Series 9 Inch 4C 5R Split Valve Shock A945B
PRO SHOCK
$278.24Aluminum Body Split Valve ShockShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD4-5 ValveSmooth AluminumGold AnodizedEachPROA945B- SKU:
- PROA945B
- Availability:
- Ships Same Business Day
- Weight:
- 3.83 LBS
- MFG Part #:
- A945B
$278.24 -
Pro Shock Aluminum Body "A" Series 9 Inch Shock 3C 9R A939B
PRO SHOCK
$278.24Alum Body Shock ShockA SeriesTwintube14.50 in Compressed / 23.50 in Extended2.00 in OD3-9 ValveSmooth AluminumGold AnodizedEachPROA939B- SKU:
- PROA939B
- Availability:
- Ships Same Business Day
- Weight:
- 3.67 LBS
- MFG Part #:
- A939B
$278.24Qty in Cart: 0Quantity:Price:$278.24Subtotal: -
Pro Shock Aluminum Body "A" Series 8 Inch 4C 8R Split Valve Shock A848B
PRO SHOCK
$278.24Aluminum Body Split Valve ShockShockA SeriesTwintube13.50 in Compressed / 21.50 in Extended2.00 in OD4-8 ValveSmooth AluminumGold AnodizedEachPROA848B- SKU:
- PROA848B
- Availability:
- Ships Same Business Day
- Weight:
- 3.48 LBS
- MFG Part #:
- A848B
$278.24 -
Pro Shock Aluminum Body Split Valve Shock A754B
PRO SHOCK
$278.24Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-4 ValveSmooth AluminumGold AnodizedEachPROA754B- SKU:
- PROA754B
- Availability:
- Ships Same Business Day
- Weight:
- 3.28 LBS
- MFG Part #:
- A754B
$278.24 -
Pro Shock Aluminum Body Split Valve Shock A752B
PRO SHOCK
$278.24Aluminum Body Split Valve ShockShockA SeriesTwintube12.50 in Compressed / 19.50 in Extended2.00 in OD5-2 ValveSmooth AluminumGold AnodizedEachPROA752B- SKU:
- PROA752B
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
- MFG Part #:
- A752B
$278.24