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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On Sale
U-B Serrated Steel Block .625 Hole 46-1601-B
U-B MACHINE
MSRP: $23.99Now: $22.79Was: $23.99Serrated Steel Block .625 HoleSerrated Block1/4 in Steps5/8 in HoleSteelCadmiumUB Machine Adjustable Panhard Bar MountsEachUBM46-1601-B- SKU:
- UBM46-1601-B
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 46-1601-B
MSRP: $23.99Now: $22.79Was: $23.99 -
On Sale
U-B Serrated Steel Block .75 Hole 46-1601-A
U-B MACHINE
MSRP: $23.99Now: $22.79Was: $23.99Serrated Steel Block .75 HoleSerrated Block1/4 in Steps3/4 in HoleSteelCadmiumUB Machine Adjustable Panhard Bar MountsEachUBM46-1601-A- SKU:
- UBM46-1601-A
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- 46-1601-A
MSRP: $23.99Now: $22.79Was: $23.99 -
On Sale
U-B Panhard Bar Mount for Quick Change 46-1600
U-B MACHINE
MSRP: $105.99Now: $100.69Was: $105.99Panhard Bar Mount for Quick ChangePanhard Bar BracketAxle MountClamp-OnSteelBlack Powder CoatQuick ChangeEachUBM46-1600- SKU:
- UBM46-1600
- Availability:
- Ships Same Business Day
- Weight:
- 8.30 LBS
- MFG Part #:
- 46-1600
MSRP: $105.99Now: $100.69Was: $105.99 -
On Sale
U-B Panhard Bar Mount 46-1526
U-B MACHINE
MSRP: $60.99Now: $57.94Was: $60.99Panhard Bar Mount Panhard Bar BracketAxle MountClamp-On6-1/2 in LongSteelBlack Powder Coat3 in Axle TubeEachUBM46-1526- SKU:
- UBM46-1526
- Availability:
- Ships Same Business Day
- Weight:
- 4.21 LBS
- MFG Part #:
- 46-1526
MSRP: $60.99Now: $57.94Was: $60.99 -
On Sale
U-B Lower Control Arm Mount Pair 46-1092
U-B MACHINE
MSRP: $39.99Now: $37.99Was: $39.99Lower Control Arm Mount PairTrailing Arm BracketWeld-OnSteelNaturalLowerGM A-Body / G-BodyPairUBM46-1092- SKU:
- UBM46-1092
- Availability:
- Ships Same Business Day
- Weight:
- 3.67 LBS
- MFG Part #:
- 46-1092
MSRP: $39.99Now: $37.99Was: $39.99 -
On Sale
U-B Upper Control Arm Mount Metric Pair 46-1091-A
U-B MACHINE
MSRP: $45.99Now: $43.69Was: $45.99Upper Control Arm Mount Metric PairTrailing Arm BracketWeld-OnSteelNaturalUpperGM A-Body / G-BodyPairUBM46-1091A- SKU:
- UBM46-1091A
- Availability:
- Ships Same Business Day
- Weight:
- 2.64 LBS
- MFG Part #:
- 46-1091A
MSRP: $45.99Now: $43.69Was: $45.99 -
On Sale
U-B Upper Control Mount Metric Mono Ball 46-1091
U-B MACHINE
MSRP: $129.99Now: $123.49Was: $129.99Upper Control Mount Metric Mono BallTrailing Arm BracketWeld-OnSpherical BearingSteelNaturalUpperGM A-Body / G-BodyPairUBM46-1091- SKU:
- UBM46-1091
- Availability:
- Ships Same Business Day
- Weight:
- 4.58 LBS
- MFG Part #:
- 46-1091
MSRP: $129.99Now: $123.49Was: $129.99Qty in Cart: 0Quantity:Price:MSRP: $129.99Now: $123.49Was: $129.99Subtotal: -
On Sale
U-B Monoball Pivot Kit Metric Trailing Arm 46-1090-KIT
U-B MACHINE
MSRP: $115.99Now: $110.19Was: $115.99Monoball Pivot Kit Metric Trailing ArmTrailing Arm BushingSphericalSteelGM A-Body / G-BodyPairUBM46-1090- SKU:
- UBM46-1090
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- MFG Part #:
- 46-1090-KIT
MSRP: $115.99Now: $110.19Was: $115.99 -
On Sale
U-B Clamp On Bracket For Liftbar 46-0138
U-B MACHINE
MSRP: $23.99Now: $22.79Was: $23.99Clamp On Bracket For LiftbarLift Bar BracketClamp-On3 in OD Axle Tube1/2 in HolesSteelBlack Powder CoatEachUBM46-0138- SKU:
- UBM46-0138
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 46-0138
MSRP: $23.99Now: $22.79Was: $23.99 -
On Sale
U-B Trailing Arm Clevis fits 46-0050 46-0055
U-B MACHINE
MSRP: $36.99Now: $35.14Was: $36.99Trailing Arm Clevis fits 46-0050Trailing Arm End1-1/2 in Wide1/2 in ID3/4-16 in ThreadSteelNaturalUMB Floating Training Arm BracketEachUBM46-0055- SKU:
- UBM46-0055
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- 46-0055
MSRP: $36.99Now: $35.14Was: $36.99 -
On Sale
U-B Floating Trailing Arm Bracket 46-0050
U-B MACHINE
MSRP: $144.99Now: $137.74Was: $144.99Floating Trailing Arm BracketTrailing Arm BracketGreasableFloatingSteelNaturalEachUBM46-0050- SKU:
- UBM46-0050
- Availability:
- Ships Same Business Day
- Weight:
- 2.14 LBS
- MFG Part #:
- 46-0050
MSRP: $144.99Now: $137.74Was: $144.99 -
On Sale
U-B Tube 1.25 x 35 x 3/4 thread 42-3501-A
U-B MACHINE
MSRP: $73.99Now: $70.29Was: $73.99Tube 1.25 x 35 x 3/4 threadSuspension Tube1-1/4 in OD35 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3501-A-PC- SKU:
- UBM42-3501-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 3.47 LBS
- MFG Part #:
- 42-3501-A
MSRP: $73.99Now: $70.29Was: $73.99 -
On Sale
U-B Tube 1.25 x 34 x 3/4 thread 42-3401-A
U-B MACHINE
MSRP: $71.99Now: $68.39Was: $71.99Tube 1.25 x 34 x 3/4 threadSuspension Tube1-1/4 in OD34 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3401-A-PC- SKU:
- UBM42-3401-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- MFG Part #:
- 42-3401-A
MSRP: $71.99Now: $68.39Was: $71.99 -
On Sale
U-B Tube 1.25 x 33 x 3/4 thread 42-3301-A
U-B MACHINE
MSRP: $70.99Now: $67.44Was: $70.99Tube 1.25 x 33 x 3/4 threadSuspension Tube1-1/4 in OD33 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3301-A-PC- SKU:
- UBM42-3301-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- MFG Part #:
- 42-3301-A
MSRP: $70.99Now: $67.44Was: $70.99 -
On Sale
U-B Tube 1 x 32 x 3/4 thread 42-3202-A
U-B MACHINE
MSRP: $54.99Now: $52.24Was: $54.99Tube 1 x 32 x 3/4 threadSuspension Tube1 in OD32 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3202-A-PC- SKU:
- UBM42-3202-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MFG Part #:
- 42-3202-A
MSRP: $54.99Now: $52.24Was: $54.99 -
On Sale
U-B Tube 1 x 31 x 3/4 thread 42-3102-A
U-B MACHINE
MSRP: $45.99Now: $43.69Was: $45.99Tube 1 x 31 x 3/4 threadSuspension Tube1 in OD31 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3102-A-PC- SKU:
- UBM42-3102-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- 42-3102-A
MSRP: $45.99Now: $43.69Was: $45.99 -
On Sale
U-B Tube 1 x 30 x 3/4 thread 42-3002-A
U-B MACHINE
MSRP: $36.99Now: $35.14Was: $36.99Tube 1 x 30 x 3/4 threadSuspension Tube1 in OD30 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3002-A-PC- SKU:
- UBM42-3002-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MFG Part #:
- 42-3002-A
MSRP: $36.99Now: $35.14Was: $36.99 -
On Sale
U-B Tube 1.25 x 30 x 3/4 thread 42-3001-A
U-B MACHINE
MSRP: $64.99Now: $61.74Was: $64.99Tube 1.25 x 30 x 3/4 threadSuspension Tube1-1/4 in OD30 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-3001-A-PC- SKU:
- UBM42-3001-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 1.92 LBS
- MFG Part #:
- 42-3001-A
MSRP: $64.99Now: $61.74Was: $64.99 -
On Sale
U-B Tube 1 x 29 x 3/4 thread 42-2902-A
U-B MACHINE
MSRP: $44.99Now: $42.74Was: $44.99Tube 1 x 29 x 3/4 threadSuspension Tube1 in OD29 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-2902-A-PC- SKU:
- UBM42-2902-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- MFG Part #:
- 42-2902-A
MSRP: $44.99Now: $42.74Was: $44.99 -
On Sale
U-B Tube 1 x 28 x 3/4 thread 42-2802-A
U-B MACHINE
MSRP: $49.99Now: $47.49Was: $49.99Tube 1 x 28 x 3/4 threadSuspension Tube1 in OD28 in Long3/4-16 in Female ThreadsSteelBlack Powder CoatEachUBM42-2802-A-PC- SKU:
- UBM42-2802-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- 42-2802-A
MSRP: $49.99Now: $47.49Was: $49.99
