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
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- Price
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Quickcar 3/8" Aluminum Scalloped Suspension Tube 12.5" 38-125
QUICKCAR RACING PRODUCTS
$21.40The QuickCar 3/8" Aluminum Scalloped Suspension Tube delivers the lightweight strength your suspension geometry demands without adding unnecessary weight to your chassis. The scalloped design reinforces the tube's structural integrity while maintaining a...QRP38-125- SKU:
- QRP38-125
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 38-125
$21.40 -
Quickcar 3/8" Aluminum Scalloped Suspension Tube 10" Length 38-100
QUICKCAR RACING PRODUCTS
$20.50If you're building a lightweight suspension system for track duty, this aluminum tube cuts unnecessary weight without compromising rigidity. The scalloped design strengthens critical stress points while the precision-machined threads guarantee repeatable...QRP38-100- SKU:
- QRP38-100
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 38-100
$20.50 -
Quickcar 3/8" Aluminum Scalloped Suspension Tube 8" Length 38-080
QUICKCAR RACING PRODUCTS
$19.70Fine-tune your suspension geometry with precision-engineered components built for the demands of competitive racing. This QuickCar suspension tube combines lightweight 6061 aluminum construction with a scalloped design that delivers measurable strength...QRP38-080- SKU:
- QRP38-080
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 38-080
$19.70 -
Quickcar 5/16 Aluminum Scalloped Suspension Tube 17in 31-170
QUICKCAR RACING PRODUCTS
$23.15When you're building a suspension system that can handle aggressive cornering, launches, and track conditions, every component needs to earn its place. The Quickcar 5/16 Aluminum Scalloped Suspension Tube delivers 35% greater strength than traditional...QRP31-170- SKU:
- QRP31-170
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 31-170
$23.15 -
QuickCar 5/16" Aluminum Scalloped Suspension Tube 9" 31-090
QUICKCAR RACING PRODUCTS
$20.10If you're building a suspension system that demands precision and reliability, this QuickCar suspension tube delivers the strength you need without excess weight. The scalloped design increases rigidity by 35% compared to conventional tubes, reducing...QRP31-090- SKU:
- QRP31-090
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- 31-090
$20.10 -
QA1 Coil Spring - 2.5in x 9 450# 9HT450
QA1
$79.95QA1's 450# coil spring delivers the consistent, predictable spring rate needed for precision tuning in high-performance applications. Whether you're dialing in a coil-over suspension on a road course or drag strip, this spring maintains its load capacity...QA19HT450- SKU:
- QA19HT450
- Availability:
- Ships Same Business Day
- Weight:
- 4.68 LBS
- MFG Part #:
- 9HT450
$79.95 -
QA1 C/O Spring - 2.5in ID x 12in Silver 12HT500
QA1
$79.95The QA1 C/O Spring delivers the precise vertical compliance your coil-over suspension demands, whether you're dialing in track geometry or building a street-performance setup. With a 500 lb/in spring rate and 12-inch travel capacity, this spring handles...QA112HT500- SKU:
- QA112HT500
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- MFG Part #:
- 12HT500
$79.95 -
QA1 C/O Spring - 2.5in ID x 10in Silver 10HT350
QA1
$79.95For serious coil-over applications, spring rate and travel capacity directly impact your suspension's ability to handle high-speed cornering and load transfer. The QA1 C/O Spring delivers a 350 lb/in rate in a compact 2.5-inch ID envelope, making it...QA110HT350- SKU:
- QA110HT350
- Availability:
- Ships Same Business Day
- Weight:
- 5.73 LBS
- MFG Part #:
- 10HT350
$79.95 -
GM Rear C-Arm 78-95 Full Size 7-312-BL
PROTHANE
$102.99Worn trailing arm bushings compromise your GM B-Body's rear suspension geometry and introduce excessive play that undermines handling precision and tire wear. This polyurethane bushing kit restores suspension compliance while offering superior durability...PTN7-312BL- SKU:
- PTN7-312BL
- Availability:
- Ships Same Business Day
- Weight:
- 5.47 LBS
- MFG Part #:
- 7-312-BL
$102.99 -
GM Front C-Arm Bushing 74-79 1 5/8 OD 7-214-BL
PROTHANE
$85.99Control arm bushings are critical suspension components that directly impact steering response, handling precision, and ride quality. Original rubber bushings deteriorate over time, causing vague steering feel and increased suspension play—issues that...PTN7-214BL- SKU:
- PTN7-214BL
- Availability:
- Ships Same Business Day
- Weight:
- 3.57 LBS
- MFG Part #:
- 7-214-BL
$85.99 -
Sway Bar Bush 1 Fits B Bracket 19-1134-BL
PROTHANE
$20.99Sway bar bushings are critical suspension components that directly impact your vehicle's handling precision and cornering stability. Over time, worn or degraded bushings introduce play in your suspension geometry, resulting in unpredictable body roll and...PTN19-1134BL- SKU:
- PTN19-1134BL
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- MFG Part #:
- 19-1134-BL
$20.99Qty in Cart: 0Quantity:Price:$20.99Subtotal: -
Pro Shock Steel Take Apart Shock 2in TA791
PRO SHOCK
$215.24The Pro Shock Steel Take Apart Shock TA791 delivers the adjustability and rebuild capability serious racers and fabricators demand. Its serviceable design lets you fine-tune damping characteristics and perform field maintenance without replacing the...PROTA791- SKU:
- PROTA791
- Availability:
- Ships Same Business Day
- Weight:
- 3.91 LBS
- MFG Part #:
- TA791
$215.24 -
Pro Shock C/O Kit-Threaded Shock C320
PRO SHOCK
$73.49A quality coil-over suspension system is the foundation of predictable handling and consistent lap times. The Pro Shock C/O Kit delivers precise damping control and adjustable ride height, giving you the tuning flexibility needed to dial in your setup...PROC320- SKU:
- PROC320
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- MFG Part #:
- C320
$73.49 -
Pro Shock 1/2 Bearing For 1 5/8 Sh B275
PRO SHOCK
$36.74Precision shock bearings are critical to maintaining consistent suspension geometry and eliminating play that degrades handling. This Pro Shock spherical bearing directly replaces worn components in 1 5/8" shock bodies, restoring the responsive feel and...PROB275- SKU:
- PROB275
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- B275
$36.74 -
Pro Shock Threaded Body Aluminum "AC" Series 7 Inch - 5C - 5R Shock AC750B
PRO SHOCK
$278.24The AC750B Pro Shock delivers consistent damping control in a compact, lightweight package—ideal for vehicles where space constraints demand precision engineering without compromise. Built with a threaded aluminum body and gold anodized finish, this...PROAC750B- SKU:
- PROAC750B
- Availability:
- Ships Same Business Day
- Weight:
- 3.41 LBS
- MFG Part #:
- AC750B
$278.24Qty in Cart: 0Quantity:Price:$278.24Subtotal: -
Pro Shock Aluminum Body "A" Series 9 Inch 6C 6R Shock A960B
PRO SHOCK
$278.24The Pro Shock Aluminum Body "A" Series delivers consistent damping performance across a wide range of suspension setups, making it a reliable choice for road racing, autocross, and street applications. Its compact 9-inch stroke and aluminum construction...PROA960B- SKU:
- PROA960B
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MFG Part #:
- A960B
$278.24 -
PPM Racing Lwr Control Arm Adjuster PPM165ADJ
PPM RACING COMPONENTS
$33.99Precise suspension geometry is non-negotiable in high-performance racing, and control arm adjusters are critical for dialing in your alignment without permanent modifications. The PPM Racing Lower Control Arm Adjuster allows you to fine-tune your...PPM165ADJ- SKU:
- PPM165ADJ
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- PPM165ADJ
$33.99 -
Shockwears Armor 14in Long Barrel Spring 32-2986-01
OUTERWEARS
$59.95Shock covers protect your suspension components from dirt, debris, and UV damage—extending service life and maintaining consistent performance on and off the track. The Shockwears Armor 14in Long Barrel Spring cover fits most standard shock applications...OUT32-2986-01- SKU:
- OUT32-2986-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 32-2986-01
$59.95 -
Shockwears Armor 3in x 14in 32-2612-01
OUTERWEARS
$42.45Protect your shock absorbers from UV damage, dirt, and abrasion during storage and transport with the Shockwears Armor 3in x 14in shock cover. This elastic-ended cover keeps your suspension components clean and ready to perform, reducing maintenance...OUT32-2612-01- SKU:
- OUT32-2612-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- 32-2612-01
$42.45 -
Shockwear 10in Spring Black 30-1245-01
OUTERWEARS
$41.45Shock covers protect your suspension components from dirt, debris, and UV damage—extending the lifespan of your shocks and maintaining consistent performance on and off the track. This polyester wrap installs in seconds with its hook-and-loop closure,...OUT30-1245-01- SKU:
- OUT30-1245-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 30-1245-01
$41.45
