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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- Qty in Cart
- Quantity
- Price
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On Sale
U-B Lower Nova LH Large Screw In 32-1220-L
U-B MACHINE
MSRP: $222.99Now: $216.30Was: $222.99A 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: $222.99Now: $216.30Was: $222.99 -
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: $222.99 -
On Sale
U-B Mono Ball Lower Control Grand Prix 73-77 32-0325 (1/2 Hole)
U-B MACHINE
MSRP: $124.99Now: $118.33Was: $124.99Worn bushings kill suspension geometry and introduce slop that costs you consistency on the track and responsiveness on the street. The U-B Mono Ball Lower Control Arm kit replaces squishy rubber with a spherical bearing design, delivering precise...UBM32-0325- SKU:
- UBM32-0325
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- MFG Part #:
- 32-0325 (1/2 Hole)
MSRP: $124.99Now: $118.33Was: $124.99 -
On Sale
U-B Mono Ball Lower Control Full Size Ford 79-up (2) 32-0320
U-B MACHINE
MSRP: $121.99Now: $118.33Was: $121.99Worn lower control arm bushings introduce unwanted play in your suspension geometry, killing precision and accelerating tire wear. These U-B mono ball spherical bearing replacements restore tight, predictable steering response and allow you to dial in...UBM32-0320- SKU:
- UBM32-0320
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- MFG Part #:
- 32-0320
MSRP: $121.99Now: $118.33Was: $121.99 -
U-B Upper A Arm 10.5 Steel Small Screw In 19-1024
U-B MACHINE
$123.99A quality upper control arm is fundamental to maintaining proper wheel alignment, suspension geometry, and steering response—especially under cornering loads. The U-B 19 Series delivers a rigid tubular design that resists deflection while the screw-in...UBM19-1024- SKU:
- UBM19-1024
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- MFG Part #:
- 19-1024
$123.99Qty in Cart: 0Quantity:Price:$123.99Subtotal: -
On Sale
U-B Upper A Arm 10 Steel Small Screw In 19-1004
U-B MACHINE
MSRP: $122.99Now: $119.30Was: $122.99A quality upper control arm is foundational to any performance suspension setup—it directly affects your vehicle's geometry, steering response, and load-carrying capability during aggressive driving. The U-B 19 Series delivers a tubular construction that...UBM19-1004- SKU:
- UBM19-1004
- Availability:
- Ships Same Business Day
- Weight:
- 3.32 LBS
- MFG Part #:
- 19-1004
MSRP: $122.99Now: $119.30Was: $122.99 -
On Sale
U-B Upper A Arm 9.5 Screw In 19-0928-5L
U-B MACHINE
MSRP: $123.99Now: $120.27Was: $123.99A quality upper A-arm is critical to maintaining precise suspension geometry and front-end stability under racing conditions. This U-B tubular design delivers consistent performance with a screw-in ball joint that simplifies maintenance and allows for...UBM19-0928-5L- SKU:
- UBM19-0928-5L
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- MFG Part #:
- 19-0928-5L
MSRP: $123.99Now: $120.27Was: $123.99 -
On Sale
U-B Upper A Arm 9.25 Screw In 19-0908-5R
U-B MACHINE
MSRP: $121.99Now: $118.33Was: $121.99A worn or bent upper A-arm directly compromises suspension geometry, steering response, and tire wear patterns. The U-B Upper A Arm delivers the precision geometry your GM A-Body or G-Body needs to maintain consistent alignment and predictable handling...UBM19-0908-5R- SKU:
- UBM19-0908-5R
- Availability:
- Ships Same Business Day
- Weight:
- 3.34 LBS
- MFG Part #:
- 19-0908-5R
MSRP: $121.99Now: $118.33Was: $121.99 -
On Sale
U-B Upper A Arm 8.5 Steel Screw In Ball Joint 19-0829-6L
U-B MACHINE
MSRP: $119.99Now: $116.39Was: $119.99A quality upper control arm is fundamental to suspension geometry and handling precision—especially if you're running a tuned setup or competing at the track. The U-B 19 Series delivers adjustability through its 1-1/2" offset design, allowing you to dial...UBM19-0829-6L- SKU:
- UBM19-0829-6L
- Availability:
- Ships Same Business Day
- Weight:
- 3.27 LBS
- MFG Part #:
- 19-0829-6L
MSRP: $119.99Now: $116.39Was: $119.99 -
On Sale
U-B Upper A Arm 8.5 Steel Small Screw In 19-0824
U-B MACHINE
MSRP: $121.99Now: $118.33Was: $121.99A quality upper control arm is fundamental to suspension geometry and handling precision—especially in performance driving where even small variances in alignment affect tire wear, response time, and overall stability. The U-B Upper A Arm delivers the...UBM19-0824- SKU:
- UBM19-0824
- Availability:
- Ships Same Business Day
- Weight:
- 3.17 LBS
- MFG Part #:
- 19-0824
MSRP: $121.99Now: $118.33Was: $121.99 -
On Sale
U-B Upper A Arm 10.5 Steel Ball Joint Plate Style 15-1024-WSP
U-B MACHINE
MSRP: $122.99Now: $119.30Was: $122.99A quality upper control arm is fundamental to suspension geometry and handling precision—this tubular design delivers the rigidity and adjustability serious racers and performance builders demand. The bolt-in ball joint plate style simplifies...UBM15-1024-WSP- SKU:
- UBM15-1024-WSP
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- 15-1024-WSP
MSRP: $122.99Now: $119.30Was: $122.99 -
On Sale
U-B Upper A Arm 10 Steel Ball Joint Plate 15-1002
U-B MACHINE
MSRP: $118.99Now: $115.42Was: $118.99A worn or bent upper control arm compromises your F-Body's steering geometry, alignment, and handling precision—especially critical if you're running a modified suspension setup. This tubular steel arm restores factory geometry while the bolt-in ball...UBM15-1002- SKU:
- UBM15-1002
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- MFG Part #:
- 15-1002
MSRP: $118.99Now: $115.42Was: $118.99 -
On Sale
U-B Upper A Arm 9.5 Steel Ball Joint Plate Style 15-0922
U-B MACHINE
MSRP: $118.99Now: $115.42Was: $118.99A worn or compromised upper control arm directly impacts your F-Body's suspension geometry, steering response, and overall chassis stability—especially under cornering loads. The U-B Upper A Arm delivers a direct bolt-in replacement with a rigid tubular...UBM15-0922- SKU:
- UBM15-0922
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- MFG Part #:
- 15-0922
MSRP: $118.99Now: $115.42Was: $118.99 -
On Sale
U-B Upper A Arm 9.25 Steel Ball Joint Plate Style 15-0912
U-B MACHINE
MSRP: $122.99Now: $119.30Was: $122.99A worn or damaged upper control arm compromises suspension geometry, causing unpredictable handling and accelerated tire wear—especially critical in high-performance applications where precision is non-negotiable. The U-B 15-0912 delivers a solid steel...UBM15-0912- SKU:
- UBM15-0912
- Availability:
- Ships Same Business Day
- Weight:
- 3.53 LBS
- MFG Part #:
- 15-0912
MSRP: $122.99Now: $119.30Was: $122.99 -
On Sale
U-B Upper A Arm 9 Steel Ball Joint Plate Style 15-0904
U-B MACHINE
MSRP: $116.99Now: $113.48Was: $116.99Whether you're building a custom suspension geometry or replacing worn OEM control arms, the U-B Upper A Arm delivers the precision fitment and durability serious racers and fabricators demand. This tubular steel design offers excellent...UBM15-0904- SKU:
- UBM15-0904
- Availability:
- Ships Same Business Day
- Weight:
- 3.24 LBS
- MFG Part #:
- 15-0904
MSRP: $116.99Now: $113.48Was: $116.99 -
On Sale
U-B Upper A Arm 9 Steel Ball Joint Plate Style 15-0902
U-B MACHINE
MSRP: $124.99Now: $121.24Was: $124.99If you're rebuilding the front suspension on a classic F-Body, you need a control arm that can handle modern driving demands without compromising authenticity. The U-B Upper A Arm delivers the precision fitment and durability expected from purpose-built...UBM15-0902- SKU:
- UBM15-0902
- Availability:
- Ships Same Business Day
- Weight:
- 3.51 LBS
- MFG Part #:
- 15-0902
MSRP: $124.99Now: $121.24Was: $124.99Qty in Cart: 0Quantity:Price:MSRP: $124.99Now: $121.24Was: $124.99Subtotal: -
On Sale
U-B Upper A Arm 8.75 Steel Ball Plate Style 15-0832
U-B MACHINE
MSRP: $124.99Now: $121.24Was: $124.99If you're building or restoring a first-gen F-Body with performance in mind, factory control arms won't cut it. This tubular upper A-arm delivers the geometry precision and durability needed for aggressive suspension setups, track duty, or show-quality...UBM15-0832- SKU:
- UBM15-0832
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- 15-0832
MSRP: $124.99Now: $121.24Was: $124.99Qty in Cart: 0Quantity:Price:MSRP: $124.99Now: $121.24Was: $124.99Subtotal: -
On Sale
U-B Upper A Arm 8.5 Steel Offset Ball Joint Style 15-0829-6L
U-B MACHINE
MSRP: $122.99Now: $119.30Was: $122.99A properly engineered upper control arm is fundamental to chassis geometry and suspension response—this U-B arm delivers the precision fitment and structural rigidity that serious racers and street performance builders demand. The 8.5-inch length with...UBM15-0829-6L- SKU:
- UBM15-0829-6L
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
- MFG Part #:
- 15-0829-6L
MSRP: $122.99Now: $119.30Was: $122.99Qty in Cart: 0Quantity:Price:MSRP: $122.99Now: $119.30Was: $122.99Subtotal: -
On Sale
U-B Upper A Arm 8.5 Steel Ball Joint Plate Style 15-0822
U-B MACHINE
MSRP: $124.99Now: $121.24Was: $124.99If you're building or restoring a classic F-Body with performance suspension geometry in mind, a quality upper control arm is non-negotiable. This U-B tubular arm delivers the precision fitment and durability required for consistent handling under load,...UBM15-0822- SKU:
- UBM15-0822
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- 15-0822
MSRP: $124.99Now: $121.24Was: $124.99