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Suspension and Components

Suspension and Components

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

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
  • a-arm bracket slugs

    Upper A-Arm Control Arm Bracket (2) Slugs

    J J MOTORSPORTS

    $17.95
    Upper A-Arm Control Arm Bracket (2) Slugs Insert dimension 1-3/4″ x 3/4″ Pick from: 0" 1/16" 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2"  
    300-7013
    SKU:
    300-7013
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • a-arm bracket slug kit for racing

    Upper A-Arm Control Arm Slug Kit (9)

    J J MOTORSPORTS

    $79.95
    Upper A-Arm Control Arm Bracket Slug Kit (9) Insert dimension 1-3/4″ x 3/4″ Kits Includes: 0" 1/16" 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2"
    300-7012
    SKU:
    300-7012
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
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  • upper control arm kit

    Upper A-Arm Control Arm Bracket and (2) Slugs Kit 6 inch Center to Center

    J J MOTORSPORTS

    $49.95
    Upper A-Arm Control Arm Bracket and (2) Slugs Kit 6 inch Center to Center   Kit Includes: (2) Slugs (1) Bracket   Bracket measures 6 inch center to center hole Slugs have 1/2 inch hole   common kit for asphalt and dirt late models and...
    300-7015
    SKU:
    300-7015
    Availability:
    Usually ships within 24 hours
    Weight:
    1.00 LBS
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
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  • IMCA Modified shock package Afco shock package

    AFCO 74 Series Monotube Steel Shocks for IMCA B-Mod 2-Link Suspension 74BModDry

    AFCO RACING PRODUCTS

    $639.96
    The AFCO 74 Series 4-Link Modified Shock Package is engineered for open-wheel modified racing, offering enhanced driver feel and improved grip. Its 1/2-inch shaft design reduces rod pressure gain, providing superior performance on both standard and...
    AFC4LINKMODSP
    SKU:
    AFC4LINKMODSP
    Availability:
    Built to order: usually ships within 24 hours
    Weight:
    8.00 LBS
    Shock Brand:
    AFCO
    Shock Series:
    74 Series
    Shocks Included:
    4
    Series for:
    IMCA Approved shocks
    Shock Type:
    Mono Tube
    Shock Mounts:
    1/2 inch rod end
    Gas Charged:
    Yes
    Shock Body Size:
    Large Body
    Shock Body Material:
    Steel
    Qty in Cart: 0
    Quantity:
    Price:
    $639.96
    Subtotal:
  • Wehrs Machine 3/4 Suspension Tubes, Heims

    Wehrs Machine 3/4 Suspension Tubes, Heims

    WEHRS MACHINE

    $54.47 - $59.47
    Wehrs Machine 3/4 Suspension Tubes, Heims
    234-9073
    SKU:
    234-9073
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $54.47 - $59.47
    Qty in Cart: 0
    Quantity:
    Price:
    $54.47 - $59.47
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  • Wehrs Machine 5/8 Suspension Tubes, Heims

    Wehrs Machine 5/8 Suspension Tubes, Heims

    WEHRS MACHINE

    $42.78 - $46.78
    Wehrs Machine 5/8 Suspension Tubes, Heims
    234-9072
    SKU:
    234-9072
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $42.78 - $46.78
    Qty in Cart: 0
    Quantity:
    Price:
    $42.78 - $46.78
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  • Wehrs Spring Style Pullbar with Spring, Steel

    Wehrs Spring Style Pullbar with Spring, Steel

    J J MOTORSPORTS

    $5.00
    Wehrs Spring Style Pullbar with Spring, Steel
    234-9022
    SKU:
    234-9022
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $5.00
    Qty in Cart: 0
    Quantity:
    Price:
    $5.00
    Subtotal:
  • weight jack

    Lightweight/Weld-In Weight Jack Plate Adjustment Kit

    J J MOTORSPORTS

    $57.96
    Lightweight/Weld-In Weight Jack Plate Adjustment Kit
    236-1003
    SKU:
    236-1003
    Availability:
    Ships same business day
    Weight:
    8.00 LBS
    $57.96
    Qty in Cart: 0
    Quantity:
    Price:
    $57.96
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  • 1978-88 GM Metric G-Body Rear Control Arm Kit with Polyurethane Bushings

    1978-88 GM Metric G-Body Rear Control Arm Kit with Polyurethane Bushings

    J J MOTORSPORTS

    $393.90
    1978-88 GM Metric G-Body Rear Control Arm Kit with Polyurethane Bushings Upgrade your GM G-Body's suspension system with this Rear Control Arm Kit, designed for 1978-88 GM Metric vehicles. Featuring durable polyurethane bushings, this kit ensures...
    RCSU-5014
    SKU:
    RCSU-5014
    Availability:
    Ships same business day
    Weight:
    7.50 LBS
    $393.90
    Qty in Cart: 0
    Quantity:
    Price:
    $393.90
    Subtotal:
  • street stock rear control arm

    GM Chevy Street Stock 1973-88 GM Heavy Duty Upper Rear Control Trailing Arm

    SPEEDWAY MOTORS

    $62.95
    GM Chevy Street Stock 1973-88 GM Heavy Duty Upper Rear Control Trailing ArmThese heavy duty rear control arms are much stronger than stock stamped arms and help control wheel hop. Can be used with Speedway polyurethane bushings or stock-style bushings...
    2D27C508
    SKU:
    2D27C508
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • dirt street stock rear control arm

    GM 1978-88 G-Body Street Stock Lower Rear Control Trailing Arm

    SPEEDWAY MOTORS

    $62.95
    GM 1978-88 G-Body Street Stock Lower Rear Control Trailing ArmThese heavy duty rear control arms are much stronger than stock stamped arms and help control wheel hop. Can be used with Speedway polyurethane bushings or stock-style bushings such as Moog...
    45E984EF
    SKU:
    45E984EF
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • shock mount

    Clamp-On Shock Mount for 1-3/4'' Tubing - Clevis Off-Road Racing

    J J MOTORSPORTS

    $29.95
    Upgrade your suspension system with this Clamp-On Shock Mount, designed for off-road racing and high-performance applications. Built for durability and ease of installation. Key Features: Design: Clamp-on clevis mount for 1-3/4'' tubing...
    RCTB-2512
    SKU:
    RCTB-2512
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • front control arm shims

    1/16 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)

    J J MOTORSPORTS

    $15.50
    1/16 inch Upper Control Arm Shims/Spacers Individual Mount IMCA (10-Pack) Achieve precise suspension adjustments with these 1/16 Inch Upper Control Arm Shims, designed for IMCA individual mounts. This 10-pack ensures durability and accuracy for...
    RCTB-2501
    SKU:
    RCTB-2501
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $15.50
    Qty in Cart: 0
    Quantity:
    Price:
    $15.50
    Subtotal:
  • control arm shims

    1/8 Inch Upper Control Arm Shims - IMCA Individual Mount (10-Pack)

    J J MOTORSPORTS

    $15.95
    1/8 inch Upper Control Arm Shims/Spacers Individual Mount IMCA (10-Pack)   Fine-tune your suspension setup with these 1/8 Inch Upper Control Arm Shims, designed for IMCA individual mounts. This 10-pack offers precision and durability for...
    RCTB-2502
    SKU:
    RCTB-2502
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • shock mount

    Clamp-On 3-Position Shock Mount for 1-1/2-Inch Tubing - Powdercoated Black

    J J MOTORSPORTS

    $44.95
    Optimize your suspension system with this Clamp-On 3-Position Shock Mount, designed for 1-1/2-inch round tubing. Built with 1/8-inch steel and a durable powder-coated black finish, this mount offers three adjustable positions for enhanced...
    RCBS-6015
    SKU:
    RCBS-6015
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • shock mount shock mount for racing

    Clamp-On Shock Mount for 1-3/4-Inch Tubing - Powdercoated Black

    J J MOTORSPORTS

    $29.95
    Upgrade your suspension system with this Clamp-On Shock Mount, designed for 1-3/4-inch tubing. Built with 1/8-inch steel and a durable powder-coated black finish, this mount is perfect for UMP and IMCA modified off-road racing. Includes all...
    RCTB-2510
    SKU:
    RCTB-2510
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • shock mount square

    Clamp-On Shock Mount for 2-Inch Square Tubing - Powdercoated Black

    J J MOTORSPORTS

    $27.95
    Upgrade your suspension system with this Clamp-On Shock Mount, designed for 2-inch square tubing. Built with 3/16-inch steel and a durable powder-coated black finish, this mount is perfect for modified off-road racing applications. Key...
    RCBS-6014
    SKU:
    RCBS-6014
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • shock mount

    Weld-On Notched Shock Mount - 2-Inch for IMCA UMP Modified Racing

    J J MOTORSPORTS

    $14.95
    Weld On Notched Shock Mount 2" long IMCA UMP Modified Off Road Dirt track Racing Upgrade your suspension system with this Weld-On Notched Shock Mount, designed for IMCA and UMP modified off-road and dirt track racing. Built for durability and...
    RCBS-6013
    SKU:
    RCBS-6013
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • shock mount

    Clamp-On Clevis Mount for 2-Inch Square Tubing with 5/8-Inch Hole - Powder-Coated Black for Off-Road Racing

    J J MOTORSPORTS

    $29.95
    Enhance your off-road racing setup with this Clamp-On Clevis Mount, designed for 2-inch square tubing. Built for durability and ease of installation, this clevis mount is perfect for modified off-road vehicles and racing applications. Key...
    RCTB-2513
    SKU:
    RCTB-2513
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • shock mount mount

    Clamp-On Shock Mount for 1-1/4-Inch Tubing - Powdercoated Black

    J J MOTORSPORTS

    $28.50
    Enhance your suspension system with this Clamp-On Shock Mount, designed for 1-1/4-inch tubing. Built with 1/8-inch steel and a durable powder-coated black finish, this mount is perfect for UMP and IMCA modified off-road racing. Includes all...
    RCTB-2508
    SKU:
    RCTB-2508
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $28.50
    Qty in Cart: 0
    Quantity:
    Price:
    $28.50
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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