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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- Price
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On Sale
U-B Sway Bar Bolt 12 Alum 40-2111
U-B MACHINE
MSRP: $33.99Now: $32.97Was: $33.99A properly functioning sway bar is critical for chassis control and cornering stability—worn or damaged bolts compromise your suspension geometry and handling precision. This aluminum sway bar bolt delivers the strength and lightweight construction...UBM40-2111- SKU:
- UBM40-2111
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MFG Part #:
- 40-2111
MSRP: $33.99Now: $32.97Was: $33.99 -
On Sale
U-B Sway Bar Bolt 11.5 in Steel 40-2109
U-B MACHINE
MSRP: $25.99Now: $25.21Was: $25.99A quality sway bar bolt is essential for maintaining consistent suspension geometry and preventing unwanted lateral movement during cornering. This 11.5-inch steel bolt delivers the durability and precision fit required for reliable performance on the...UBM40-2109- SKU:
- UBM40-2109
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- 40-2109
MSRP: $25.99Now: $25.21Was: $25.99 -
On Sale
U-B C/O Mount Narrow For Round Tube 35-3325
U-B MACHINE
MSRP: $12.99Now: $12.60Was: $12.99A quality coil-over mount is the foundation of any properly tuned suspension setup. This U-B C/O mount delivers the structural rigidity needed to handle the demands of track-focused or competition applications, while its narrow profile accommodates tight...UBM35-3325- SKU:
- UBM35-3325
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 35-3325
MSRP: $12.99Now: $12.60Was: $12.99 -
On Sale
U-B Shock Mount 1.75 Clamp On 35-3323
U-B MACHINE
MSRP: $24.99Now: $21.33Was: $24.99A quality shock mount is critical to maintaining proper suspension geometry and reducing unwanted chassis flex during aggressive driving. This U-B clamp-on design offers a straightforward, bolt-on solution for securing 1.75" OD tubes without drilling or...UBM35-3323- SKU:
- UBM35-3323
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- MFG Part #:
- 35-3323
MSRP: $24.99Now: $21.33Was: $24.99 -
On Sale
U-B 1.25 Shock Mount 35-3321
U-B MACHINE
MSRP: $21.99Now: $21.33Was: $21.99A properly secured shock absorber is fundamental to suspension geometry and vehicle stability—misalignment or movement here cascades into unpredictable handling characteristics. The U-B 1.25 Shock Mount 35-3321 provides a rigid, repeatable clamping...UBM35-3321- SKU:
- UBM35-3321
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- 35-3321
MSRP: $21.99Now: $21.33Was: $21.99Qty in Cart: 0Quantity:Price:MSRP: $21.99Now: $21.33Was: $21.99Subtotal: -
On Sale
U-B C/O Mount Wide For Flat Mount 35-3310
U-B MACHINE
MSRP: $13.99Now: $13.57Was: $13.99If you're building a custom suspension setup or upgrading your coil-over system, proper shock mounting is non-negotiable for handling, safety, and longevity. This U-B C/O mount provides a wide, load-bearing platform that accommodates flat-mount...UBM35-3310- SKU:
- UBM35-3310
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- MFG Part #:
- 35-3310
MSRP: $13.99Now: $13.57Was: $13.99 -
On Sale
U-B Shock & Rigidity Bar Mount 35-3170
U-B MACHINE
MSRP: $26.99Now: $26.18Was: $26.99Shock mounts are critical to suspension geometry and chassis rigidity—compromising on quality directly impacts handling precision and component longevity. The U-B 35-3170 delivers a robust, purpose-built solution for builders who demand structural...UBM35-3170- SKU:
- UBM35-3170
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 35-3170
MSRP: $26.99Now: $26.18Was: $26.99 -
On Sale
U-B Coil over mount LH short 35-3130
U-B MACHINE
MSRP: $15.99Now: $15.51Was: $15.99A quality shock mount is critical to maintaining suspension geometry and preventing unwanted movement under load. The U-B Coil over mount LH short ensures precise positioning of your coilover setup while handling the rigors of hard cornering,...UBM35-3130- SKU:
- UBM35-3130
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- MFG Part #:
- 35-3130
MSRP: $15.99Now: $15.51Was: $15.99 -
On Sale
U-B Coil over mount RH short 35-3120
U-B MACHINE
MSRP: $15.99Now: $15.51Was: $15.99A solid shock mount is foundational to suspension geometry and chassis stability—this U-B coil-over mount delivers the structural rigidity your build needs without compromise. Whether you're fine-tuning a track car or fabricating a custom suspension...UBM35-3120- SKU:
- UBM35-3120
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- MFG Part #:
- 35-3120
MSRP: $15.99Now: $15.51Was: $15.99 -
On Sale
U-B Weight Jack Bolt 8 x 3/4-10 35-1107
U-B MACHINE
MSRP: $22.99Now: $22.30Was: $22.99Weight jacks are essential for suspension setup and chassis geometry adjustments on dedicated track vehicles and race cars. This U-B jack bolt provides the precise thread engagement and load capacity needed for reliable corner-weighting procedures and...UBM35-1107- SKU:
- UBM35-1107
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- MFG Part #:
- 35-1107
MSRP: $22.99Now: $22.30Was: $22.99 -
On Sale
U-B Weight Jack Bolt 11 x 1 35-1104
U-B MACHINE
MSRP: $27.99Now: $27.15Was: $27.99Jack bolts are essential for securely lifting your vehicle during maintenance, alignment work, or suspension adjustments—this 11-inch bolt provides the thread engagement and clamping force needed for reliable, repeatable lift points. The cadmium plating...UBM35-1104- SKU:
- UBM35-1104
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- MFG Part #:
- 35-1104
MSRP: $27.99Now: $27.15Was: $27.99 -
On Sale
U-B Weight Jack Bolt 8 x 1 35-1102
U-B MACHINE
MSRP: $24.99Now: $24.24Was: $24.99Jack bolts are critical fasteners for securing adjustable suspension components, and this U-B Weight Jack Bolt delivers the precision fit and corrosion resistance your chassis demands. Whether you're fine-tuning ride height on a dedicated track car or...UBM35-1102- SKU:
- UBM35-1102
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- 35-1102
MSRP: $24.99Now: $24.24Was: $24.99 -
On Sale
U-B Upper Spring Cup LW Steel UBM35-1002
U-B MACHINE
MSRP: $23.99Now: $23.27Was: $23.99A quality upper spring cup is fundamental to suspension geometry and load transfer—it directly affects how your springs seat under compression and influence ride characteristics across the entire chassis. The U-B Upper Spring Cup delivers precise fitment...UBM35-1002- SKU:
- UBM35-1002
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- 35-1002
MSRP: $23.99Now: $23.27Was: $23.99 -
On Sale
U-B GN Spring Cup 35-1001
U-B MACHINE
MSRP: $59.99Now: $55.28Was: $59.99A quality spring cup is fundamental to suspension geometry and ride quality—this U-B GN model delivers the precision fit and durability your setup demands. Whether you're fine-tuning a street machine or building a competition suspension, this steel...UBM35-1001- SKU:
- UBM35-1001
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
- MFG Part #:
- 35-1001
MSRP: $59.99Now: $55.28Was: $59.99 -
On Sale
U-B Lower Nova LH Screw In Balljoint 32-5220-L
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99A worn or damaged lower ball joint compromises your suspension's geometry and handling precision—critical issues that no serious racer or enthusiast can ignore. This U-B screw-in ball joint delivers the durability and adjustability you need to maintain...UBM32-5220-L- SKU:
- UBM32-5220-L
- Availability:
- Ships Same Business Day
- Weight:
- 10.48 LBS
- MFG Part #:
- 32-5220-L
MSRP: $222.99Now: $216.30Was: $222.99 -
On Sale
U-B Lower 68-72 Chevelle RH 32-3210-R
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99A quality lower control arm is fundamental to suspension geometry and handling precision—this UMP fabricated unit restores proper alignment geometry for your classic A-Body chassis while maintaining the structural integrity required for street or strip...UBM32-3210-R- SKU:
- UBM32-3210-R
- Availability:
- Ships Same Business Day
- Weight:
- 10.25 LBS
- MFG Part #:
- 32-3210-R
MSRP: $222.99Now: $216.30Was: $222.99 -
On Sale
U-B Lower Nova RH Large Screw In 32-1220-R
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99Worn control arms compromise your suspension geometry and handling precision—especially on track or in aggressive driving scenarios. This fabricated lower control arm delivers the structural integrity and adjustability serious F-Body and G-Body builders...UBM32-1220-R- SKU:
- UBM32-1220-R
- Availability:
- Ships Same Business Day
- Weight:
- 10.37 LBS
- MFG Part #:
- 32-1220-R
MSRP: $222.99Now: $216.30Was: $222.99 -
On Sale
U-B Lower Nova LH Large Screw In 32-1220-L
U-B MACHINE
MSRP: $242.99Now: $216.30Was: $242.99A worn or damaged lower control arm compromises your suspension geometry, reducing handling precision and accelerating tire wear. This fabricated lower control arm restores OEM alignment specs while the screw-in ball joint design simplifies installation...UBM32-1220-L- SKU:
- UBM32-1220-L
- Availability:
- Ships Same Business Day
- Weight:
- 10.57 LBS
- MFG Part #:
- 32-1220-L
MSRP: $242.99Now: $216.30Was: $242.99 -
On Sale
U-B Lower 68-72 Chevelle RH Large Screw-In B/J 32-1210-R
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99A worn or damaged lower control arm directly compromises your Chevelle's handling precision and suspension geometry, leading to unpredictable steering response and accelerated tire wear. This fabricated replacement restores factory-correct alignment and...UBM32-1210-R- SKU:
- UBM32-1210-R
- Availability:
- Ships Same Business Day
- Weight:
- 10.16 LBS
- MFG Part #:
- 32-1210-R
MSRP: $222.99Now: $216.30Was: $222.99 -
On Sale
U-B Lower 68-72 Chevelle LH Large Screw-In B/J 32-1210-L
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99A worn or damaged lower control arm compromises your Chevelle's suspension geometry, leading to poor handling, uneven tire wear, and unsafe driving dynamics. This fabricated steel control arm restores proper alignment and suspension response, essential...UBM32-1210-L- SKU:
- UBM32-1210-L
- Availability:
- Ships Same Business Day
- Weight:
- 10.09 LBS
- MFG Part #:
- 32-1210-L
MSRP: $222.99Now: $216.30Was: $222.99Qty in Cart: 0Quantity:Price:MSRP: $222.99Now: $216.30Was: $222.99Subtotal:
