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
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On Sale
U-B Tube .750 x 14 x 1/2 thread 42-1405-E
U-B MACHINE
MSRP: $27.99Now: $27.15Was: $27.99A properly engineered suspension tube is critical for maintaining rigid control geometry and consistent handling characteristics under racing loads. This U-B tube delivers the structural integrity your suspension demands, with precision threading for...UBM42-1405-E-PC- SKU:
- UBM42-1405-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- MFG Part #:
- 42-1405-E
MSRP: $27.99Now: $27.15Was: $27.99 -
On Sale
U-B Tube .875 x 14 x 5/8 thread 42-1403-C
U-B MACHINE
MSRP: $32.99Now: $32.00Was: $32.99A precision-engineered suspension tube built for racing applications where durability and exact fitment are non-negotiable. This U-B tube features robust steel construction with a protective black powder coat finish, designed to handle the demands of...UBM42-1403-C-PC- SKU:
- UBM42-1403-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 42-1403-C
MSRP: $32.99Now: $32.00Was: $32.99 -
On Sale
U-B Tube 1 x 14 x 5/8 thread 42-1402-C
U-B MACHINE
MSRP: $33.99Now: $32.97Was: $33.99Suspension geometry demands precision components that won't fail under load or repeated stress cycles. This U-B tube delivers the structural integrity and threading consistency required for custom suspension builds, whether you're dialing in a track car...UBM42-1402-C-PC- SKU:
- UBM42-1402-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MFG Part #:
- 42-1402-C
MSRP: $33.99Now: $32.97Was: $33.99 -
On Sale
U-B Tube 1 x 14 x 3/4 thread 42-1402-A
U-B MACHINE
MSRP: $33.99Now: $32.97Was: $33.99A properly engineered suspension tube is critical for maintaining precise suspension geometry and alignment under load. This U-B tube delivers the structural integrity needed for consistent performance, whether you're fine-tuning a street machine or...UBM42-1402-A-PC- SKU:
- UBM42-1402-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MFG Part #:
- 42-1402-A
MSRP: $33.99Now: $32.97Was: $33.99 -
On Sale
U-B Tube .75 X 13 X 1/2 thread 42-1305-E
U-B MACHINE
MSRP: $26.99Now: $26.18Was: $26.99A properly engineered suspension tube is critical for maintaining chassis rigidity and suspension geometry under load. This U-B tube delivers the durability and precision fit your suspension setup demands, whether you're building a custom race car or...UBM42-1305-E-PC- SKU:
- UBM42-1305-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 42-1305-E
MSRP: $26.99Now: $26.18Was: $26.99 -
On Sale
U-B Tube .875 x 13 x 5/8 thread 42-1303-C
U-B MACHINE
MSRP: $30.99Now: $30.06Was: $30.99Suspension geometry demands precision, and this U-B tube delivers the structural integrity your suspension setup requires. Whether you're fine-tuning geometry on a dedicated race platform or restoring a classic build, this steel tube offers the...UBM42-1303-C-PC- SKU:
- UBM42-1303-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 42-1303-C
MSRP: $30.99Now: $30.06Was: $30.99 -
On Sale
U-B Tube 1 x 13 x 5/8 thread 42-1302-C
U-B MACHINE
MSRP: $32.99Now: $32.00Was: $32.99A properly functioning suspension geometry depends on quality control arms and support tubes—this U-B tube delivers the structural integrity and precise fitment your suspension demands. Whether you're rebuilding a worn suspension or fabricating a custom...UBM42-1302-C-PC- SKU:
- UBM42-1302-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- MFG Part #:
- 42-1302-C
MSRP: $32.99Now: $32.00Was: $32.99 -
On Sale
U-B Tube 1 x 13 x 3/4 thread 42-1302-A
U-B MACHINE
MSRP: $32.99Now: $32.00Was: $32.99Suspension geometry demands precision, and this U-B tube delivers the structural integrity your suspension setup requires. Whether you're building a custom suspension or replacing a worn component, this steel tube handles the stresses of hard cornering...UBM42-1302-A-PC- SKU:
- UBM42-1302-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MFG Part #:
- 42-1302-A
MSRP: $32.99Now: $32.00Was: $32.99 -
On Sale
U-B Tube .750 x 12 x 1/2 thread 42-1205-E
U-B MACHINE
MSRP: $25.99Now: $25.21Was: $25.99Whether you're building a custom suspension setup or replacing a worn control arm, this U-B tube delivers the structural integrity and precision fit your race car demands. The 1/2-20 threaded ends provide secure, repeatable connections for rod ends and...UBM42-1205-E-PC- SKU:
- UBM42-1205-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 42-1205-E
MSRP: $25.99Now: $25.21Was: $25.99 -
On Sale
U-B Tube .875 x 12 x 5/8 thread 42-1203-C
U-B MACHINE
MSRP: $29.99Now: $29.09Was: $29.99Whether you're rebuilding a suspension system from the ground up or replacing worn components, this U-B tube delivers the structural integrity and precise threading your suspension geometry demands. The 5/8-18 female threads accept standard rod ends and...UBM42-1203-C-PC- SKU:
- UBM42-1203-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- 42-1203-C
MSRP: $29.99Now: $29.09Was: $29.99 -
On Sale
U-B Tube 1 x 12 x 3/4 thread 42-1202-A
U-B MACHINE
MSRP: $31.99Now: $31.03Was: $31.99A properly engineered suspension tube is critical for maintaining structural integrity and precise geometry in your suspension system. This U-B tube delivers the durability and dimensional accuracy required for both street and track applications, with...UBM42-1202-A-PC- SKU:
- UBM42-1202-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- MFG Part #:
- 42-1202-A
MSRP: $31.99Now: $31.03Was: $31.99 -
On Sale
U-B Tube .750 x 11 x 1/2 thread 42-1105-E
U-B MACHINE
MSRP: $24.99Now: $24.24Was: $24.99A quality suspension tube is critical to maintaining proper geometry and handling characteristics in your suspension setup. This U-B tube delivers the precision fitment and durability you need for reliable performance, whether you're building a custom...UBM42-1105-E-PC- SKU:
- UBM42-1105-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 42-1105-E
MSRP: $24.99Now: $24.24Was: $24.99 -
On Sale
U-B Tube .875 x 11 x 5/8 thread 42-1103-C
U-B MACHINE
MSRP: $28.99Now: $28.12Was: $28.99A properly engineered suspension tube is critical for maintaining precise geometry and durability in high-stress racing applications. This U-B tube delivers the exact dimensions and threading needed for clean fabrication and reliable performance, whether...UBM42-1103-C-PC- SKU:
- UBM42-1103-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- 42-1103-C
MSRP: $28.99Now: $28.12Was: $28.99 -
On Sale
U-B Tube 1 x 11 x 5/8 thread 42-1102-C
U-B MACHINE
MSRP: $30.99Now: $30.06Was: $30.99Precision suspension geometry demands components that won't flex, bind, or fail under racing loads. This U-B tube delivers the rigid, repeatable performance you need for consistent handling and predictable chassis dynamics. Built from steel with a...UBM42-1102-C-PC- SKU:
- UBM42-1102-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
- MFG Part #:
- 42-1102-C
MSRP: $30.99Now: $30.06Was: $30.99 -
On Sale
U-B Tube 1 x 11 x 3/4 thread 42-1102-A
U-B MACHINE
MSRP: $30.99Now: $30.06Was: $30.99Precision suspension geometry demands components that won't flex, fail, or disappoint under load. This U-B tube delivers the structural integrity and threaded versatility your suspension setup requires, whether you're dialing in a race car or building a...UBM42-1102-A-PC- SKU:
- UBM42-1102-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 42-1102-A
MSRP: $30.99Now: $30.06Was: $30.99 -
On Sale
U-B Tube .750 x 10 x 1/2 thread 42-1005-E
U-B MACHINE
MSRP: $24.99Now: $24.24Was: $24.99A quality suspension tube is critical to maintaining precise geometry and durability under load. This U-B tube delivers the structural integrity your suspension system demands, whether you're fine-tuning a race setup or rebuilding after hard miles. The...UBM42-1005-E-PC- SKU:
- UBM42-1005-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 42-1005-E
MSRP: $24.99Now: $24.24Was: $24.99 -
On Sale
U-B Tube .875 x 10 x 5/8 thread 42-1003-C
U-B MACHINE
MSRP: $27.99Now: $27.15Was: $27.99Precision suspension geometry demands quality components that won't fail under race-track stress. This U-B tube delivers the structural integrity and consistent fitment your suspension setup requires, whether you're fine-tuning a competition rig or...UBM42-1003-C-PC- SKU:
- UBM42-1003-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 42-1003-C
MSRP: $27.99Now: $27.15Was: $27.99 -
On Sale
U-B Tube 1 x 10 x 5/8 thread 42-1002-C
U-B MACHINE
MSRP: $29.99Now: $29.09Was: $29.99A quality U-bend tube is foundational to any suspension system that demands precision and reliability under load. This 1-inch OD steel tube provides the structural integrity needed for custom suspension fabrication, whether you're building a control arm,...UBM42-1002-C-PC- SKU:
- UBM42-1002-C-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- MFG Part #:
- 42-1002-C
MSRP: $29.99Now: $29.09Was: $29.99Qty in Cart: 0Quantity:Price:MSRP: $29.99Now: $29.09Was: $29.99Subtotal: -
On Sale
U-B Tube 1 x 10 x 3/4 thread 42-1002-A
U-B MACHINE
MSRP: $29.99Now: $29.09Was: $29.99Precision suspension geometry demands components that won't flex, crack, or fail under load—and this U-B tube delivers exactly that. Whether you're dialing in a custom suspension setup or replacing a worn control arm tube, this steel U-B tube provides...UBM42-1002-A-PC- SKU:
- UBM42-1002-A-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- MFG Part #:
- 42-1002-A
MSRP: $29.99Now: $29.09Was: $29.99 -
On Sale
U-B Tube .750 x 9 x 1/2 thread 42-0905-E
U-B MACHINE
MSRP: $23.99Now: $23.27Was: $23.99Precision suspension geometry demands components built to exacting standards—this U-B tube delivers the structural integrity and threading accuracy your suspension setup requires. Whether you're fine-tuning a race car's front end or rebuilding a lifted...UBM42-0905-E-PC- SKU:
- UBM42-0905-E-PC
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 42-0905-E
MSRP: $23.99Now: $23.27Was: $23.99
