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
- Subtotal
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AFCO 5" x 11" 300 lb/in Rear Coil Spring 25300B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25300B Rear Coil Spring delivers the precise spring rate and reliable construction that serious racers and performance enthusiasts demand. Built to handle the rigors of conventional rear...AFC25300B- SKU:
- AFC25300B
- Availability:
- Ships Same Business Day
- Weight:
- 6.45 LBS
- MFG Part #:
- 25300B
$93.99 -
AFCO 5in x 13in 275 lb/in Rear Coil Spring 25275-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25275-1B Rear Coil Spring delivers the consistent, predictable performance that serious racers and enthusiasts demand. The 275 lb/in spring rate strikes a great balance between firm support and...AFC25275-1B- SKU:
- AFC25275-1B
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- MFG Part #:
- 25275-1B
$93.99 -
AFCO Racing Products 5in x 11in 200 lb/in Rear Coil Spring 25200B
AFCO RACING PRODUCTS
$93.99When it comes to rear suspension performance, the AFCO Racing Products 25200B Coil Spring is built to deliver consistent, race-ready handling lap after lap. Crafted from ultra-high tensile wire with a durable black powder coat finish, this spring is...AFC25200B- SKU:
- AFC25200B
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
- MFG Part #:
- 25200B
$93.99 -
AFCO Racing Products 5x11 150 lb/in Rear Coil Spring Black Powder Coat 25150B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO Racing Products 25150B Rear Coil Spring delivers the precision and reliability that serious racers demand. Built from ultra-high tensile steel wire and rated at a firm 150 lb/in, this spring...AFC25150B- SKU:
- AFC25150B
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- MFG Part #:
- 25150B
$93.99 -
AFCO conventional rear coil spring 5" OD 11" length 100 lb/in black powder coat 25100B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25100B Conventional Rear Coil Spring delivers the perfect blend of precision engineering and dependable performance. Designed for serious enthusiasts who refuse to compromise, this spring's 100...AFC25100B- SKU:
- AFC25100B
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- MFG Part #:
- 25100B
$93.99 -
AFCO Multi-Leaf Spring 166 lb Rate 6-5/8" Arch Chrysler 20231HD
AFCO RACING PRODUCTS
$252.99If you're building or restoring a Chrysler and need a leaf spring that delivers consistent, reliable performance, the AFCO 20231HD is exactly what you're looking for. Engineered with a precise 166 lb/in spring rate and a 6.625-inch arch, this multi-leaf...AFC20231HD- SKU:
- AFC20231HD
- Availability:
- Ships Same Business Day
- Weight:
- 32.80 LBS
- MFG Part #:
- 20231HD
$252.99Qty in Cart: 0Quantity:Price:$252.99Subtotal: -
AFCO HD Multi-Leaf Leaf Spring 6.375" Arch 176 lb/in 2500-3000 lb Camaro 20228RF
AFCO RACING PRODUCTS
$314.99Take your classic Camaro's handling to the next level with the AFCO HD Multi-Leaf Spring (20228RF) — engineered specifically for 1970-1981 Camaros that demand precision, stability, and lasting durability. With a perfectly tuned 176 lb/in spring rate and...AFC20228RF- SKU:
- AFC20228RF
- Availability:
- Ships Same Business Day
- Weight:
- 40.60 LBS
- MFG Part #:
- 20228RF
$314.99 -
AFCO Multi-Leaf Spring 6.375" Arch 176 lb/in for 1967-81 Camaro 20228
AFCO RACING PRODUCTS
$282.99Take your classic Camaro's handling to the next level with the AFCO Multi-Leaf Spring — a precision-engineered suspension upgrade built for serious street and track performance. Designed specifically for 1967-81 Camaros, this spring delivers a balanced...AFC20228- SKU:
- AFC20228
- Availability:
- Ships Same Business Day
- Weight:
- 35.00 LBS
- MFG Part #:
- 20228
$282.99Qty in Cart: 0Quantity:Price:$282.99Subtotal: -
AFCO Shock Extension 2 in Thread-On 9/16-18 Steel Black Oxide 19/23/24/25 Series 20180-1
AFCO RACING PRODUCTS
$30.99When you need to fine-tune your suspension setup, the AFCO Shock Extension 20180-1 delivers the precise 2-inch stretch you need to maximize travel and dial in your handling. Built from high-strength steel with a black oxide finish, this thread-on...AFC20180-1- SKU:
- AFC20180-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- MFG Part #:
- 20180-1
$30.99 -
AFCO Leaf Spring Slider for 1970-1981 Camaro 2.325" Height 6" Length 200036
AFCO RACING PRODUCTS
$64.99If you're serious about dialing in your Camaro's suspension, the AFCO Leaf Spring Slider (200036) is exactly the kind of precision hardware your build deserves. Engineered specifically for 1970–1981 Camaro leaf spring setups, this slider delivers smooth,...AFC200036- SKU:
- AFC200036
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- MFG Part #:
- 200036
$64.99 -
AFCO Steel Shock 14 Series Fixed Bearing 7" Stroke 3 Compression 5 Rebound 1473-5
AFCO RACING PRODUCTS
$129.99When it comes to race-day performance, the AFCO 14 Series Steel Shock (1473-5) delivers the consistent, reliable damping you need to keep your car planted and predictable through every corner. Built tough with a steel sealed body and fixed bearing, this...AFC1473-5- SKU:
- AFC1473-5
- Availability:
- Product
- Weight:
- 4.06 LBS
- MFG Part #:
- 1473-5
$129.99 -
AFCO 13T Series Aluminum Twin-Tube Shock 9" Stroke Comp 4 Reb 6 Threaded Body 1394-6T
AFCO RACING PRODUCTS
$254.99When you need a shock absorber that delivers race-winning consistency lap after lap, the AFCO 13T Series Aluminum Twin-Tube Shock (1394-6T) is built to answer the call. Engineered with precision shim stack technology and a robust threaded aluminum body,...AFC1394-6T- SKU:
- AFC1394-6T
- Availability:
- Ships Same Business Day
- Weight:
- 4.99 LBS
- MFG Part #:
- 1394-6T
$254.99Qty in Cart: 0Quantity:Price:$254.99Subtotal: -
2.5in C/O Kit Bilstein 7in Sleeve A1-12436
A-1 PRODUCTS
$63.99Building a race-ready suspension setup demands precision tuning and reliable components that won't fail under load. The Bilstein 7in Sleeve Coil-Over Kit delivers adjustable ride height and spring preload in one bolt-on package, giving you the...AAA12436- SKU:
- AAA12436
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- A1-12436
$63.99 -
2.5in C/O Kit Koni 60 Deg Top 7in Sleeve A1-12433
A-1 PRODUCTS
$62.99Fine-tune your suspension geometry and ride height with this complete coil-over kit, designed for serious racers and track-focused builds. The Koni 30 Series shocks deliver consistent damping control lap after lap, while the adjustable spring perch...AAA12433- SKU:
- AAA12433
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- MFG Part #:
- A1-12433
$62.99 -
AFCO 88 Series Shock - Custom Build
AFCO RACING PRODUCTS
$524.95Precision damping control is the foundation of consistent lap times and driver confidence, whether you're pushing a road course or dialing in a circle track setup. The AFCO 88 Series Shock delivers tunable performance in a purpose-built platform that...AFC88- SKU:
- AFC88
- Availability:
- Usually Ships Within 72 Hours
- Weight:
- 4.00 LBS
$524.95 -
AFCO 86 Series Shock - Custom Build
AFCO RACING PRODUCTS
$599.95The AFCO 86 Series Shock represents purpose-built suspension engineering for racers who demand precise damping control across variable track conditions. Custom-configured to your specific application, this shock delivers consistent performance whether...AFC86- SKU:
- AFC86
- Availability:
- Usually Ships Within 72 Hours
- Weight:
- 4.00 LBS
$599.95 -
AFCO 74 Series Shock - Custom Build
AFCO RACING PRODUCTS
$269.95Fine-tuning your suspension setup requires a shock that adapts to your specific driving demands and track conditions. The AFCO 74 Series Shock delivers adjustable damping and tuning flexibility, allowing you to dial in the exact responsiveness needed for...AFC74- SKU:
- AFC74
- Availability:
- Usually Ships Within 72 Hours
- Weight:
- 4.00 LBS
$269.95