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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
  • Conv Rear Spring 5in x 16in x 200 IRS310-5016-200

    Integra Conv Rear Spring 5in x 16in x 200 310 5016-200

    INTEGRA SHOCKS

    $85.95
    If you're tuning your Integra's suspension for better handling and a more planted rear end, a properly-spec'd coil spring is non-negotiable. This conventional rear spring delivers predictable, linear spring rates that work with your existing suspension...
    IRS310-5016-200
    SKU:
    IRS310-5016-200
    Availability:
    Ships Same Business Day
    Weight:
    7.37 LBS
    MFG Part #:
    310 5016-200
    $85.95
    Qty in Cart: 0
    Quantity:
    Price:
    $85.95
    Subtotal:
  • Conv Rear Spring 5in x 16in x 175 IRS310-5016-175

    Integra Conv Rear Spring 5in x 16in x 175 310 5016-175

    INTEGRA SHOCKS

    $85.95
    If you're tuning your Integra's suspension geometry or replacing worn rear springs, this conventional coil spring delivers predictable, linear rate characteristics that work with your existing setup without requiring extensive modifications. At 175...
    IRS310-5016-175
    SKU:
    IRS310-5016-175
    Availability:
    Ships Same Business Day
    Weight:
    6.22 LBS
    MFG Part #:
    310 5016-175
    $85.95
    Qty in Cart: 0
    Quantity:
    Price:
    $85.95
    Subtotal:
  • Conv Rear Spring 5in x 16in x 150 IRS310-5016-150

    Integra Conv Rear Spring 5in x 16in x 150 310 5016-150

    INTEGRA SHOCKS

    $85.95
    A worn or mismatched rear spring compromises suspension geometry, reducing cornering grip and increasing body roll during aggressive driving. The Integra Conv Rear Spring 310 5016-150 delivers a precise 150 lb/in rate that maintains consistent ride...
    IRS310-5016-150
    SKU:
    IRS310-5016-150
    Availability:
    Ships Same Business Day
    Weight:
    6.09 LBS
    MFG Part #:
    310 5016-150
    Qty in Cart: 0
    Quantity:
    Price:
    $85.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 300 IRS310-5013-300

    Integra Conv Rear Spring 5in x 13in x 300 310 5013-300

    INTEGRA SHOCKS

    $66.95
    If you're tuning your rear suspension for precise handling and predictable weight transfer, a properly-rated coil spring is non-negotiable. This 300 lb/in conventional rear spring delivers consistent support without the complexity of adjustable systems,...
    IRS310-5013-300
    SKU:
    IRS310-5013-300
    Availability:
    Ships Same Business Day
    Weight:
    7.09 LBS
    MFG Part #:
    310 5013-300
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 275 IRS310-5013-275

    Integra Conv Rear Spring 5in x 13in x 275 310 5013-275

    INTEGRA SHOCKS

    $66.95
    A properly matched rear spring is critical for maintaining consistent suspension geometry and predictable handling characteristics during hard cornering and braking. This conventional coil spring delivers a 275 lb/in rate engineered for vehicles that...
    IRS310-5013-275
    SKU:
    IRS310-5013-275
    Availability:
    Ships Same Business Day
    Weight:
    6.82 LBS
    MFG Part #:
    310 5013-275
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 250 IRS310-5013-250

    Integra Conv Rear Spring 5in x 13in x 250 310 5013-250

    INTEGRA SHOCKS

    $66.95
    If you're upgrading your Integra's suspension geometry or building a custom rear end, spring rate is everything—and this 250 lb/in conventional rear spring delivers predictable, linear load support without breaking the bank. Whether you're fine-tuning a...
    IRS310-5013-250
    SKU:
    IRS310-5013-250
    Availability:
    Ships Same Business Day
    Weight:
    5.90 LBS
    MFG Part #:
    310 5013-250
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 225 IRS310-5013-225

    Integra Conv Rear Spring 5in x 13in x 225 310 5013-225

    INTEGRA SHOCKS

    $66.95
    If you're running a tuned Integra and need predictable rear suspension geometry without breaking the budget, this conventional coil spring delivers the stiffness to support your setup. At 225 lb/in, it provides a solid midrange rate that works well for...
    IRS310-5013-225
    SKU:
    IRS310-5013-225
    Availability:
    Ships Same Business Day
    Weight:
    6.31 LBS
    MFG Part #:
    310 5013-225
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 200 IRS310-5013-200

    Integra Conv Rear Spring 5in x 13in x 200 310 5013-200

    INTEGRA SHOCKS

    $66.95
    A properly tuned rear spring is fundamental to balanced handling and consistent lap times. This conventional coil spring delivers a 200 lb/in rate designed for rear-end geometry control, making it ideal for street-to-track applications where predictable...
    IRS310-5013-200
    SKU:
    IRS310-5013-200
    Availability:
    Ships Same Business Day
    Weight:
    5.38 LBS
    MFG Part #:
    310 5013-200
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 175 IRS310-5013-175

    Integra Conv Rear Spring 5in x 13in x 175 310 5013-175

    INTEGRA SHOCKS

    $66.95
    If you're tuning your Integra's suspension for better handling and a more responsive ride, a quality rear spring is essential to your setup. This conventional coil spring delivers a moderate 175 lb/in rate, making it ideal for street performance and...
    IRS310-5013-175
    SKU:
    IRS310-5013-175
    Availability:
    Ships Same Business Day
    Weight:
    5.51 LBS
    MFG Part #:
    310 5013-175
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 13in x 150 IRS310-5013-150

    Integra Conv Rear Spring 5in x 13in x 150 310 5013-150

    INTEGRA SHOCKS

    $66.95
    A quality rear spring is fundamental to your suspension's ability to handle cornering loads, maintain ride height, and preserve chassis geometry under stress. This conventional coil spring delivers a moderate 150 lb/in rate—ideal for street-driven...
    IRS310-5013-150
    SKU:
    IRS310-5013-150
    Availability:
    Ships Same Business Day
    Weight:
    4.64 LBS
    MFG Part #:
    310 5013-150
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 11in x 225 IRS310-5011-225

    Integra Conv Rear Spring 5in x 11in x 225 310 5011-225

    INTEGRA SHOCKS

    $66.95
    If you're tuning your Integra's suspension geometry or building a custom rear setup, spring rate selection directly impacts handling balance and ride quality. This 225 lb/in conventional coil spring delivers the mid-range stiffness needed for street...
    IRS310-5011-225
    SKU:
    IRS310-5011-225
    Availability:
    Ships Same Business Day
    Weight:
    4.82 LBS
    MFG Part #:
    310 5011-225
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 11in x 200 IRS310-5011-200

    Integra Conv Rear Spring 5in x 11in x 200 310 5011-200

    INTEGRA SHOCKS

    $66.95
    A proper rear spring is foundational to chassis balance and handling predictability—this conventional coil spring delivers a stiff 200 lb/in rate that resists body roll during cornering while maintaining compliance for consistent tire contact. Whether...
    IRS310-5011-200
    SKU:
    IRS310-5011-200
    Availability:
    Ships Same Business Day
    Weight:
    4.49 LBS
    MFG Part #:
    310 5011-200
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Conv Rear Spring 5in x 11in x 175 IRS310-5011-175

    Integra Conv Rear Spring 5in x 11in x 175 310 5011-175

    INTEGRA SHOCKS

    $66.95
    A properly tuned rear spring is fundamental to chassis balance and handling predictability on track or street. This conventional coil spring delivers a measured 175 lb/in rate, ideal for vehicles requiring progressive suspension geometry without the...
    IRS310-5011-175
    SKU:
    IRS310-5011-175
    Availability:
    Ships Same Business Day
    Weight:
    4.18 LBS
    MFG Part #:
    310 5011-175
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • Shock Rear Stock Mount 4C-4R IRS310-47184

    Integra Shock Rear Stock Mount 4C-4R 310 47184

    INTEGRA SHOCKS

    $334.95
    If you're running Street Stock competition or building a dedicated track car, proper rear suspension geometry is non-negotiable—and that starts with a quality shock mount. This OEM-specification rear mount integrates seamlessly with your Integra's stock...
    IRS310-47184
    SKU:
    IRS310-47184
    Availability:
    Ships Same Business Day
    Weight:
    4.70 LBS
    MFG Part #:
    310 47184
    $334.95
    Qty in Cart: 0
    Quantity:
    Price:
    $334.95
    Subtotal:
  • Shock Front Stock Mount 6C-6R IRS310-47146

    Integra Shock Front Stock Mount 6C-6R 310-47146

    INTEGRA SHOCKS

    $334.95
    If you're running Street Stock competition or building a dedicated track car, suspension geometry demands precision—and this Integra front shock delivers the controlled response your setup needs. The 6C-6R valve configuration balances compression and...
    IRS310-47146
    SKU:
    IRS310-47146
    Availability:
    Ships Same Business Day
    Weight:
    3.75 LBS
    MFG Part #:
    310-47146
    $334.95
    Qty in Cart: 0
    Quantity:
    Price:
    $334.95
    Subtotal:
  • Steel Shock Mono-Tube 9in 8C-2R IRS310-45198-2SNSV

    Integra Steel Shock Mono-Tube 9in 8C-2R 310 45198-2SNSV

    INTEGRA SHOCKS

    $296.95
    If you're building a competition-grade suspension setup, you need a shock that delivers consistent damping without compromise. The Integra Steel Shock Mono-Tube combines proven monotube design with an 8-2 valve configuration to handle aggressive driving...
    IRS310-45198-2SNSV
    SKU:
    IRS310-45198-2SNSV
    Availability:
    Ships Same Business Day
    Weight:
    4.90 LBS
    MFG Part #:
    310 45198-2SNSV
    $296.95
    Qty in Cart: 0
    Quantity:
    Price:
    $296.95
    Subtotal:
  • Steel Shock Mono-Tube 7in 4C-10R IRS310-45174-10SNSV

    Integra Steel Shock Mono-Tube 7in 4C-10R 310 45174-10SNSV

    INTEGRA SHOCKS

    $296.95
    Monotube shock designs deliver superior heat dissipation and consistent damping performance under sustained racing conditions, making them essential for track applications where reliability matters. The Integra Steel Shock 7in mono-tube gives you...
    IRS310-45174-10SNSV
    SKU:
    IRS310-45174-10SNSV
    Availability:
    Ships Same Business Day
    Weight:
    4.40 LBS
    MFG Part #:
    310 45174-10SNSV
    $296.95
    Qty in Cart: 0
    Quantity:
    Price:
    $296.95
    Subtotal:
  • Dual Stage Stacked Spring Kit IRS310-30549

    Integra Dual Stage Stacked Spring Kit 310 30549

    INTEGRA SHOCKS

    $95.95
    A dual-stage spring setup delivers the precision damping control that separates competitive lap times from also-rans. This kit gives you progressive spring rates that manage both initial chassis response and mid-corner stability without sacrificing ride...
    IRS310-30549
    SKU:
    IRS310-30549
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    310 30549
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • 4000 Series Coil-Over Kit 5in IRS310-30526

    Integra 4000 Series Coil-Over Kit 5in 310 30526

    INTEGRA SHOCKS

    $135.95
    Precision suspension tuning demands a coil-over system that balances adjustability with reliability—the Integra 4000 Series delivers both. Whether you're fine-tuning track geometry or dialing in street performance, this kit gives you independent control...
    IRS310-30526
    SKU:
    IRS310-30526
    Availability:
    Ships Same Business Day
    Weight:
    2.36 LBS
    MFG Part #:
    310 30526
    $135.95
    Qty in Cart: 0
    Quantity:
    Price:
    $135.95
    Subtotal:
  • Steel Shaft Extension 1in IRS310-30410

    Integra Steel Shaft Extension 1in 310 30410

    INTEGRA SHOCKS

    $21.50
    When your shock absorber geometry demands precise ride height adjustment, this steel shaft extension delivers the exact spacing you need without compromising structural integrity. The stainless steel construction resists corrosion in harsh racing...
    IRS310-30410
    SKU:
    IRS310-30410
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    310 30410
    $21.50
    Qty in Cart: 0
    Quantity:
    Price:
    $21.50
    Subtotal:
  • Total: items /

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