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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AFCO Steel Monotube Shock 7in 5C-5R 74-7-5-5
AFCO RACING PRODUCTS
$224.99If you're pushing hard on fast and rough dirt modified tracks, the AFCO Steel Monotube Shock 7in 5C-5R gives you the edge you need — delivering sharper driver feel, better grip, and race-proven reliability. Its IMCA-approved monotube design and smaller...AFC74-7-5-5- SKU:
- AFC74-7-5-5
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- MFG Part #:
- 74-7-5-5
$224.99Qty in Cart: 0Quantity:Price:$224.99Subtotal: -
AFCO Racing Products Steel Monotube Shock 7in 5-3 Valve 74-7-5-3
AFCO RACING PRODUCTS
$224.99When the track gets rough and every lap counts, you need a shock absorber that can keep up without missing a beat. The AFCO Racing Products Steel Monotube Shock (74-7-5-3) is purpose-built for dirt modified racing, delivering consistent, predictable...AFC74-7-5-3- SKU:
- AFC74-7-5-3
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- MFG Part #:
- 74-7-5-3
$224.99Qty in Cart: 0Quantity:Price:$224.99Subtotal: -
AFCO Steel Monotube Shock 7" 4C-6R 74-7-4-6
AFCO RACING PRODUCTS
$224.99When track conditions get fast and rough, the AFCO Steel Monotube Shock (74-7-4-6) gives dirt modified racers the edge they need to stay in control and push harder. The innovative 1/2-inch shaft design dramatically reduces rod pressure gain, delivering...AFC74-7-4-6- SKU:
- AFC74-7-4-6
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 74-7-4-6
$224.99 -
AFCO Steel Monotube Shock 7in 3C-8R 74-7-3-8
AFCO RACING PRODUCTS
$224.99When you're pushing hard on fast and rough dirt tracks, the last thing you need is a shock that can't keep up. The AFCO Steel Monotube Shock (74-7-3-8) delivers exceptional driver feel and superior grip, giving you the confidence to attack every corner...AFC74-7-3-8- SKU:
- AFC74-7-3-8
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- MFG Part #:
- 74-7-3-8
$224.99 -
AFCO Steel Monotube Shock 7in 3C-7R 74-7-3-7
AFCO RACING PRODUCTS
$224.99When the track gets fast and rough, you need a shock that keeps you in control — and the AFCO Steel Monotube Shock 7in 3C-7R (74-7-3-7) delivers exactly that. Engineered specifically for dirt modified racing, this IMCA-approved monotube gas shock gives...AFC74-7-3-7- SKU:
- AFC74-7-3-7
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MFG Part #:
- 74-7-3-7
$224.99Qty in Cart: 0Quantity:Price:$224.99Subtotal: -
AFCO Steel Monotube Shock 7" 3C-6R 74 Series 12.95" Compressed 18.85" Extended 2" OD 74-7-3-6
AFCO RACING PRODUCTS
$224.99When you're pushing hard on fast, rough dirt tracks, you need a shock that keeps you in complete control — and the AFCO 74-7-3-6 Steel Monotube Shock delivers exactly that. Engineered specifically for dirt modified racing, its innovative 1/2-inch shaft...AFC74-7-3-6- SKU:
- AFC74-7-3-6
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MFG Part #:
- 74-7-3-6
$224.99Qty in Cart: 0Quantity:Price:$224.99Subtotal: -
AFCO steel weld-on leaf spring bracket 5/8 in OD hole 3-3/16 in inside width Chrysler style 50200
AFCO RACING PRODUCTS
$14.99When it comes to building a solid suspension setup, the foundation matters — and the AFCO 50200 Steel Weld-On Leaf Spring Bracket delivers exactly the reliable, precise fit your Chrysler-style leaf spring system demands. Crafted from heavy-duty steel and...AFC50200- SKU:
- AFC50200
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
- MFG Part #:
- 50200
$14.99 -
AFCO 5in OD 6.625in Length 1200 lb/in Torque Link Spring 271200B
AFCO RACING PRODUCTS
$98.99When it comes to dialing in your race car's rear suspension, the AFCO 271200B Torque Link Spring gives you the precise control and stiffness you need to put power down consistently. Built specifically for torque link and pull bar applications, this...AFC271200B- SKU:
- AFC271200B
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- MFG Part #:
- 271200B
$98.99 -
AFCO Take-Up Spring 2.625" ID 5.25" Length 5 lb Black Powder Coat 27005B
AFCO RACING PRODUCTS
$54.99When it comes to precision suspension tuning, the AFCO 27005B Take-Up Spring delivers the consistency and reliability that serious racers and builders demand. Its light 5 lb spring rate makes it the perfect companion spring for eliminating slop and...AFC27005B- SKU:
- AFC27005B
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MFG Part #:
- 27005B
$54.99 -
AFCO 5in x 13in 400 lb/in Rear Coil Spring Black Powder Coat 25400-1B
AFCO RACING PRODUCTS
$93.99When it comes to rear suspension performance, the AFCO 25400-1B Coil Spring delivers the precise control and reliability that serious racers and enthusiasts demand. Its firm 400 lb/in spring rate keeps your rear end planted and predictable through every...AFC25400-1B- SKU:
- AFC25400-1B
- Availability:
- Ships Same Business Day
- Weight:
- 9.55 LBS
- MFG Part #:
- 25400-1B
$93.99Qty in Cart: 0Quantity:Price:$93.99Subtotal: -
AFCO Racing Products 5in x 13in 300 lb/in Rear Coil Spring 25300-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO Racing Products 25300-1B Coil Spring delivers the precision and reliability that serious racers demand. With a balanced 300 lb/in spring rate, it keeps your handling sharp and your ride planted...AFC25300-1B- SKU:
- AFC25300-1B
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- MFG Part #:
- 25300-1B
$93.99 -
AFCO 5in x 11in 250 lb/in Rear Coil Spring 25250B
AFCO RACING PRODUCTS
$93.99Upgrade your rear suspension with the AFCO 25250B Coil Spring — a performance-engineered solution built to deliver consistent handling, superior ride quality, and long-lasting durability. Whether you're hitting the track or dominating the street, this...AFC25250B- SKU:
- AFC25250B
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
- MFG Part #:
- 25250B
$93.99 -
AFCO conventional rear coil spring 5 x 16 250 lb/in 25250-2B
AFCO RACING PRODUCTS
$99.99When it comes to dialing in your rear suspension, the AFCO 25250-2B conventional rear coil spring delivers the consistent, reliable performance that serious racers and builders demand. With a balanced 250 lb/in spring rate and a tough black powder coat...AFC25250-2B- SKU:
- AFC25250-2B
- Availability:
- Ships Same Business Day
- Weight:
- 8.95 LBS
- MFG Part #:
- 25250-2B
$99.99Qty in Cart: 0Quantity:Price:$99.99Subtotal: -
AFCO 5x13 250 lb/in Rear Coil Spring Black Powder Coat 25250-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25250-1B Coil Spring delivers the consistency and control serious racers demand. Built with a precise 250 lb/in spring rate, it strikes the perfect balance between responsiveness and stability —...AFC25250-1B- SKU:
- AFC25250-1B
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MFG Part #:
- 25250-1B
$93.99 -
AFCO Conventional Rear Coil Spring 5" x 11" 225 lb/in Black 25225B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25225B Conventional Rear Coil Spring delivers the perfect balance of performance and durability. Built with a 225 lb/in spring rate, it provides confident, responsive handling whether you're...AFC25225B- SKU:
- AFC25225B
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- MFG Part #:
- 25225B
$93.99 -
AFCO 5in x 16in x 225lb Rear Coil Spring 25225-2B
AFCO RACING PRODUCTS
$99.99Upgrade your rear suspension with the AFCO 5in x 16in x 225lb Rear Coil Spring (25225-2B) — engineered to deliver a smooth, controlled ride without sacrificing performance. Whether you're building a dedicated race car or dialing in your street machine,...AFC25225-2B- SKU:
- AFC25225-2B
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
- MFG Part #:
- 25225-2B
$99.99 -
AFCO Racing Products 5in x 13in 225 lb/in Rear Coil Spring 25225-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO Racing Products 25225-1B Rear Coil Spring delivers the precision and reliability that serious racers demand. With a firm yet balanced 225 lb/in spring rate, this spring keeps your rear end...AFC25225-1B- SKU:
- AFC25225-1B
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MFG Part #:
- 25225-1B
$93.99 -
AFCO 5.5x12 200 lb/in Rear Pigtail Coil Spring Black 25200SS
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25200SS Pigtail Rear Coil Spring delivers the consistency and control serious racers demand. Built with a precise 200 lb/in spring rate and a tough black powder coat finish, this spring is ready...AFC25200SS- SKU:
- AFC25200SS
- Availability:
- Ships Same Business Day
- Weight:
- 5.39 LBS
- MFG Part #:
- 25200SS
$93.99 -
AFCO conventional rear coil spring 5in OD 16in length 200 lb/in spring rate 25200-2B
AFCO RACING PRODUCTS
$99.99When it comes to dialing in your rear suspension, the AFCO 25200-2B Conventional Rear Coil Spring delivers the consistent, predictable performance that serious racers and builders demand. Built to exacting standards with a 200 lb/in spring rate, this...AFC25200-2B- SKU:
- AFC25200-2B
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- MFG Part #:
- 25200-2B
$99.99 -
AFCO 5in x 13in 200 lb/in Rear Coil Spring 25200-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your rear suspension, the AFCO 25200-1B Rear Coil Spring delivers the perfect balance of performance and durability that serious enthusiasts demand. With a 200 lb/in spring rate, this conventional coil spring offers...AFC25200-1B- SKU:
- AFC25200-1B
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- MFG Part #:
- 25200-1B
$93.99
