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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AFM Sway Bar 1-1/4in 300lbs Rate Universal 4123712
AFM PERFORMANCE
$210.99A properly tuned sway bar is essential for controlling body roll and maintaining consistent grip through corners—especially in high-performance driving where precision handling separates competitive drivers from the rest. This AFM unit delivers a...AFM04123712- SKU:
- AFM04123712
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$210.99 -
AFM Sway Bar 1-1/8in 200lbs Rate Universal 4123711
AFM PERFORMANCE
$194.44A quality sway bar is essential for controlling body roll during aggressive cornering and maintaining predictable handling characteristics across varied driving conditions. The AFM 1-1/8in 200lbs Rate delivers a balanced stiffness that works across...AFM04123711- SKU:
- AFM04123711
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
$194.44 -
AFCO 9in IMCA Dry Kit 6 Port Linear Digressive Shock 84-9-3P-D
AFCO RACING PRODUCTS
$306.99IMCA-sanctioned racing demands shock absorbers that deliver predictable, repeatable performance lap after lap—and the AFCO 84 Series 9-inch monotube delivers exactly that. The 6-port linear/digressive valving gives you the tuning precision needed to dial...AFC84-9-3P-D- SKU:
- AFC84-9-3P-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$306.99 -
AFCO 7in IMCA Dry Kit 3 Port Linear Digressive Shock 84-7-6P-D
AFCO RACING PRODUCTS
$315.99If you're running IMCA competition, suspension tuning directly impacts your consistency through corners and your ability to dial in setup across varying track conditions. The AFCO 84 Series 7-inch shock delivers the monotube reliability and adjustable...AFC84-7-6P-D- SKU:
- AFC84-7-6P-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$315.99 -
AFCO 7in IMCA Dry Kit 6 Port Linear Digressive Shock 84-7-3P-D
AFCO RACING PRODUCTS
$315.99If you're running IMCA competition or pushing your dry-track setup to the limit, suspension consistency is non-negotiable. The AFCO 84 Series monotube shock delivers the tuning flexibility and durability you need to dial in your platform across changing...AFC84-7-3P-D- SKU:
- AFC84-7-3P-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$315.99 -
AFCO Racing Products 7in IMCA Dry Kit 3 Port Linear Shock 84-7-3P-6P
AFCO RACING PRODUCTS
$315.99IMCA racing demands shocks that deliver predictable, consistent performance lap after lap—and the AFCO 84 Series 7-inch monotube delivers exactly that. The 3-port linear valving design ensures your suspension responds the same way every cycle,...AFC84-7-3P-6P- SKU:
- AFC84-7-3P-6P
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$315.99 -
AFCO Racing Products 46mm 6 Port Linear Digressive Shock Piston Blue Anodized 550000934
AFCO RACING PRODUCTS
$59.99Fine-tuning your shock package requires a piston that can handle both linear and digressive compression curves without compromise. The AFCO 550000934 delivers the tuning flexibility serious racers demand, whether you're dialing in pavement or dirt...AFC550000934- SKU:
- AFC550000934
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$59.99Qty in Cart: 0Quantity:Price:$59.99Subtotal: -
AFCO Shaft Extension 1in M12 Steel 55000049801
AFCO RACING PRODUCTS
$25.99Fine-tuning your shock geometry requires precision—this AFCO shaft extension lets you dial in your ride height and compression characteristics without replacing the entire shock assembly. Whether you're optimizing for track conditions or fine-tuning your...AFC55000049801- SKU:
- AFC55000049801
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$25.99 -
AFCO Steel Rod End Spherical 1/2 in Bore 12 mm x 1.25 RH Female Thread Black Oxide 550000485
AFCO RACING PRODUCTS
$34.99Spherical rod ends are critical for suspension geometry, steering linkage, and control arm applications where angular deflection and precise articulation matter. This AFCO steel rod end delivers the durability and concentricity required in high-stress...AFC550000485- SKU:
- AFC550000485
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$34.99 -
AFCO 9in Shock Shaft 0.5in OD with Bleed Jet 55000011882
AFCO RACING PRODUCTS
$44.99If you're building or maintaining a high-performance suspension system, you need a shock shaft that delivers consistent damping control without compromise. The AFCO 9-inch shock shaft with integrated bleed jet gives you the precision tuning capability...AFC55000011882- SKU:
- AFC55000011882
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$44.99Qty in Cart: 0Quantity:Price:$44.99Subtotal: -
AFCO 7in Shock Shaft 0.5in OD with Bleed Jet 55000011862
AFCO RACING PRODUCTS
$44.99The AFCO 7-inch shock shaft is engineered for racers who demand precise suspension control without compromise. Its integrated bleed jet delivers the fine-tuning capability necessary to dial in your suspension geometry across varying track conditions...AFC55000011862- SKU:
- AFC55000011862
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
$44.99Qty in Cart: 0Quantity:Price:$44.99Subtotal: -
Ball Joint Holder 15 Degree 5/8
KEYSER MANUFACTURING
$24.00Precision ball joint mounting demands exact geometry, and angular misalignment costs lap time and component life. This 15-degree screw-in ball joint holder lets you dial in your suspension geometry with confidence, accepting industry-standard ball joints...KEY100 07-100R- SKU:
- KEY100 07-100R
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.25 LBS
$24.00 -
Ball Joint Holder Straight 5/8
KEYSER MANUFACTURING
$24.00Precision ball joint replacement requires a holder engineered to exact tolerances—this straight 5/8" model delivers the stability and repeatability your suspension work demands. Whether you're rebuilding a race car or performing critical suspension...KEY100 07-100- SKU:
- KEY100 07-100
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.25 LBS
$24.00 -
TWM Upper Control Arm Shaft
TWM RACING PRODUCTS
$85.00If you're running a dirt late model, the upper control arm shaft is critical to suspension geometry and handling consistency—especially when you're pushing hard on the track. A worn or damaged shaft compromises steering response and can introduce...TWM-UPP- SKU:
- TWM-UPP
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$85.00 -
11/16" and 5/8" Heavy Duty Suspension Tubes – Steel, 7/8" OD
J J MOTORSPORTS
$21.95 - $23.95Suspension geometry demands precision, and these heavy-duty steel tubes deliver the rigidity and thread accuracy your setup requires. Whether you're dialing in a competition suspension or rebuilding a race car, the dual-thread configuration (11/16" left...RCSU-0067- SKU:
- RCSU-0067
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$21.95 - $23.95 -
BSB Dual Bearing Slider 2.5" Spring BSB7542
BSB MANUFACTURING
$260.00The BSB Dual Bearing Slider eliminates the bind and lateral play that compromise precision in high-load applications. With dual bearing surfaces—one at the base and another on the plunger face—this slider maintains stability through its entire range of...BSB7542- SKU:
- BSB7542
- Availability:
- Will be special ordered for you
- Weight:
- 5.00 LBS
$260.00 -
BSB Left Chevelle Lower Control Arm BSB3531
BSB MANUFACTURING
$240.00A worn or damaged lower control arm compromises your Chevelle's suspension geometry, steering response, and handling predictability—especially critical if you're pushing performance at the track or demand daily driving precision. The BSB Left Lower...BSB3531- SKU:
- BSB3531
- Availability:
- Will be special ordered for you
- Weight:
- 15.00 LBS
- Side:
- Driver Side
$240.00 -
BSB Right Chevelle Lower Control Arm BSB3530
BSB MANUFACTURING
$240.00A worn or damaged lower control arm compromises your Chevelle's steering precision, ride quality, and suspension geometry—issues that compound at speed and in cornering. The BSB Right Lower Control Arm restores proper wheel alignment and eliminates play...BSB3530- SKU:
- BSB3530
- Availability:
- Will be special ordered for you
- Weight:
- 15.00 LBS
- Side:
- Passenger Side
$240.00 -
On Sale
Wehrs 5.5" Thrust Bearing And Washer Kit
WEHRS MACHINE
Now: $43.00Was: $44.00Spring bind can rob your suspension of travel and compromise handling consistency when you need it most. The Wehrs 5.5" Thrust Bearing and Washer Kit eliminates binding by allowing your springs to articulate freely through their full range of motion,...WEHWM165BO-5.5- SKU:
- WEHWM165BO-5.5
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
Now: $43.00Was: $44.00 -
On Sale
Wehrs 5.5" TALL SWIVEL SPRING CUP OD ALIGNMENT
WEHRS MACHINE
Now: $82.00Was: $84.00Maintaining proper spring alignment throughout suspension travel is critical for consistent handling and maximum component longevity. The Wehrs 5.5" Tall Swivel Spring Cup uses an outer diameter capture design to keep your springs centered and stable,...WEHWM485T-5.5- SKU:
- WEHWM485T-5.5
- Availability:
- Usually ships within 24 hours
- Weight:
- 2.00 LBS
Now: $82.00Was: $84.00
