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
- Subtotal
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AFCO conventional front coil spring 5.5" OD 9.5" length 500 lb/in 20500-1B
AFCO RACING PRODUCTS
$93.99When it comes to dialing in your front suspension, the AFCO 20500-1B conventional coil spring delivers the precise spring rate and reliable performance that serious racers demand. Built to handle the rigors of motorsport, this 500 lb/in spring strikes...AFC20500-1B- SKU:
- AFC20500-1B
- Availability:
- Ships Same Business Day
- Weight:
- 7.65 LBS
- MFG Part #:
- 20500-1B
$93.99Qty in Cart: 0Quantity:Price:$93.99Subtotal: -
AFCO steel leaf spring shackle plate 9-13/16" x 2" x 1/4" 20281
AFCO RACING PRODUCTS
$29.99When it comes to suspension performance, every component matters — and the AFCO Steel Leaf Spring Shackle Plate (20281) delivers the strength and reliability serious racers demand. Built from heavy-duty cadmium-coated steel, this shackle plate stands up...AFC20281- SKU:
- AFC20281
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- 20281
$29.99 -
AFCO Lower Spring Plate Coil-Over Passenger Side Steel Black Paint 20250
AFCO RACING PRODUCTS
$26.99When it comes to building a reliable coil-over suspension setup, every component counts — and the AFCO Lower Spring Plate (Part #20250) delivers the solid foundation your build demands. Crafted from heavy-duty steel with a clean black paint finish, this...AFC20250- SKU:
- AFC20250
- Availability:
- Ships Same Business Day
- Weight:
- 2.43 LBS
- MFG Part #:
- 20250
$26.99 -
AFCO Lower Spring Plate Coil-Over Left Hand 3x3.5 Mounting 20249
AFCO RACING PRODUCTS
$26.99When it comes to dialing in your coil-over suspension setup, every component matters — and the AFCO Lower Spring Plate Coil-Over Left Hand (20249) delivers the precision and durability serious racers and performance enthusiasts demand. Built from tough...AFC20249- SKU:
- AFC20249
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- MFG Part #:
- 20249
$26.99 -
AFCO Racing Aluminum Lowering Block 1/2" x 2-1/2" x 5" 20244
AFCO RACING PRODUCTS
$21.99Take precise control of your suspension setup with the AFCO Racing Aluminum Lowering Block (Part #20244) — a no-compromise solution for dialing in your ride height with confidence. Built from high-strength extruded aluminum, this block delivers...AFC20244- SKU:
- AFC20244
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 20244
$21.99 -
AFCO Multi-Leaf Spring Chrysler 194 lb/in 6-5/8" Arch 20231XHD
AFCO RACING PRODUCTS
$252.99When it comes to dialing in your race car's suspension, the AFCO Multi-Leaf Spring (20231XHD) delivers the precision and reliability serious competitors demand. Engineered specifically for Chrysler-style vehicles, this spring's 194 lb/in rate and 6-5/8"...AFC20231XHD- SKU:
- AFC20231XHD
- Availability:
- Ships Same Business Day
- Weight:
- 34.60 LBS
- MFG Part #:
- 20231XHD
$252.99 -
AFCO Multi-Leaf Spring Chrysler 152 lb/in 6-5/8" Arch 52-7/8" Length 20231MHD
AFCO RACING PRODUCTS
$252.99If you're serious about dialing in your Chrysler's suspension, the AFCO 20231MHD Multi-Leaf Spring is built to deliver the precise spring rate and stability your build demands. Engineered specifically for Chrysler-style vehicles, this spring strikes the...AFC20231MHD- SKU:
- AFC20231MHD
- Availability:
- Ships Same Business Day
- Weight:
- 31.25 LBS
- MFG Part #:
- 20231MHD
$252.99Qty in Cart: 0Quantity:Price:$252.99Subtotal: -
AFCO Multi-Leaf Spring for 1967-81 Camaro 238 lb/in 6-3/8" Arch 20228XHD
AFCO RACING PRODUCTS
$282.99If you're serious about maximizing the performance of your 1967-81 Camaro, the AFCO Multi-Leaf Spring (20228XHD) is the upgrade your rear suspension has been waiting for. Engineered with a precise 238 lb/in spring rate, it delivers that sweet spot...AFC20228XHD- SKU:
- AFC20228XHD
- Availability:
- Ships Same Business Day
- Weight:
- 38.60 LBS
- MFG Part #:
- 20228XHD
$282.99 -
AFCO Multi-Leaf Spring 153 lb/in 6-3/8" Arch for 1970-1981 Camaro 20228LW
AFCO RACING PRODUCTS
$269.99Give your 1970-1981 Camaro the suspension upgrade it deserves with the AFCO 20228LW Multi-Leaf Spring — engineered for precision, built for performance. With a firm 153 lb/in spring rate and a 6.375-inch arch, this spring delivers confident handling and...AFC20228LW- SKU:
- AFC20228LW
- Availability:
- Ships Same Business Day
- Weight:
- 32.60 LBS
- MFG Part #:
- 20228LW
$269.99 -
AFCO HD Multi-Leaf Leaf Spring 6-3/8" Arch 205 lb/in 1970-81 Camaro 20228HDRF
AFCO RACING PRODUCTS
$284.99Give your classic Camaro the performance edge it deserves with the AFCO HD Multi-Leaf Spring 20228HDRF — built tough for serious drivers who demand better handling, faster throttle response, and a consistent ride height every time they hit the track or...AFC20228HDRF- SKU:
- AFC20228HDRF
- Availability:
- Ships Same Business Day
- Weight:
- 43.25 LBS
- MFG Part #:
- 20228HDRF
$284.99 -
AFCO Multi-Leaf Spring 205 lb/in 6-3/8" Arch Fits 1967-81 Camaro 20228HD
AFCO RACING PRODUCTS
$282.99Take your classic Camaro's handling to the next level with the AFCO Multi-Leaf Spring 20228HD — a precision-engineered suspension upgrade built for serious performance enthusiasts. Crafted from premium chrome vanadium alloy steel and heat-treated for...AFC20228HD- SKU:
- AFC20228HD
- Availability:
- Ships Same Business Day
- Weight:
- 37.45 LBS
- MFG Part #:
- 20228HD
$282.99 -
AFCO Lightweight Spring Cup 1-8 in Thread Steel Black Powder Coat 20195LW
AFCO RACING PRODUCTS
$48.99When every ounce matters on the track, the AFCO Lightweight Spring Cup (20195LW) delivers the precision engineering and weight savings serious racers demand. Built from tough steel with a sleek black powder coat finish, this spring cup pairs seamlessly...AFC20195LW- SKU:
- AFC20195LW
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MFG Part #:
- 20195LW
$48.99Qty in Cart: 0Quantity:Price:$48.99Subtotal: -
AFCO 8" Detented Weight Jack Bolt 1-8" Thread Steel Cadmium 20194-8D
AFCO RACING PRODUCTS
$24.99When precise weight adjustment can mean the difference between winning and losing, you need hardware you can trust. The AFCO 8" Detented Weight Jack Bolt (20194-8D) delivers rock-solid reliability and pinpoint accuracy for your racing setup, backed by...AFC20194-8D- SKU:
- AFC20194-8D
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- MFG Part #:
- 20194-8D
$24.99 -
AFCO 11in Long Detented Jack Bolt 1-8in Thread Steel Cadmium 20194-11D
AFCO RACING PRODUCTS
$24.99When every fraction of a second counts on the track, you need components you can trust to deliver precise, repeatable performance. The AFCO 11in Long Detented Jack Bolt gives you fast, accurate weight adjustments right when you need them most, keeping...AFC20194-11D- SKU:
- AFC20194-11D
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MFG Part #:
- 20194-11D
$24.99 -
AFCO Hidden Adjustable Coil Spring Spacer Steel Cadmium Universal 20191
AFCO RACING PRODUCTS
$65.99Take full control of your suspension setup with the AFCO Hidden Adjustable Coil Spring Spacer (20191) — a precision-engineered solution that lets you dial in your ride height without compromising a clean, tucked appearance. Built tough from...AFC20191- SKU:
- AFC20191
- Availability:
- Ships Same Business Day
- Weight:
- 3.51 LBS
- MFG Part #:
- 20191
$65.99 -
AFCO adjustable spring spacer steel 5 to 5-1/2 inch springs 2 inch height adjustment 20187
AFCO RACING PRODUCTS
$59.99Take complete control of your suspension setup with the AFCO Adjustable Spring Spacer (Part #20187) — a precision-engineered solution that lets you dial in your ride height without breaking a sweat. Whether you're chasing the perfect stance on a stock...AFC20187- SKU:
- AFC20187
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- 20187
$59.99 -
AFCO Conv Spring Rubber 5.5in Polyurethane Black 7/8in Height 20186
AFCO RACING PRODUCTS
$24.99Take your suspension tuning to the next level with the AFCO Conv Spring Rubber 20186 — a precision-crafted polyurethane insert that lets you fine-tune ride height and spring rate with ease. Built from tough, long-lasting polyurethane, this spring rubber...AFC20186- SKU:
- AFC20186
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- MFG Part #:
- 20186
$24.99 -
AFCO Racing 7/8in Coil-Over Spring Rubber for 2.5-2.625in Springs 20185-1
AFCO RACING PRODUCTS
$22.99Fine-tune your suspension setup with precision using the AFCO Racing 7/8in Coil-Over Spring Rubber — a simple yet effective upgrade that helps eliminate spring chatter, control coil bind, and dial in your ride height exactly where you need it. Built from...AFC20185-1- SKU:
- AFC20185-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- 20185-1
$22.99 -
AFCO coil-over spring rubber 2.5 to 2.625 in springs 0.75 in height polyurethane black 20185
AFCO RACING PRODUCTS
$22.99Fine-tune your suspension with confidence using the AFCO 20185 Coil-Over Spring Rubber — a precision-crafted polyurethane insert that lets you dial in your spring rate without breaking the bank. Whether you're chasing the perfect lap time or smoothing...AFC20185- SKU:
- AFC20185
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- MFG Part #:
- 20185
$22.99 -
AFCO Racing Nylon Slider Large Body 2.625 in ID Springs Black 20183-1
AFCO RACING PRODUCTS
$29.99When it comes to dialing in your suspension setup, every component matters — and the AFCO Racing Nylon Slider (20183-1) is built to deliver consistent, dependable performance lap after lap. Engineered specifically for racing applications, this tough...AFC20183-1- SKU:
- AFC20183-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 20183-1
$29.99
