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Brakes

Brakes

Brakes

Circle Track Brakes & Components for IMCA, Late Models at JJ Motorsports

Achieve precise stopping power and superior control on the track with premium circle track brakes from JJ Motorsports. Our selection includes brake kits, rotors, hubs, calipers, master cylinders, and cooling systems designed for late models, modifieds, street stocks, and IMCA dirt racing. Built for reliability, high performance, and durability under intense racing conditions, these components ensure consistent braking and safety.

Shop trusted brands like Wilwood for top-quality hubs and rotors. Explore related categories such as circle track suspension and components for handling upgrades or circle track air and fuel for engine performance.

Top Circle Track Brake 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
  • rear wide 5 hub dirt late model Aluminum Wilwood Wide 5 Rear Wheel Hub, Low-Drag REM Bearings, Races, Kit

    Aluminum Wilwood Wide 5 Rear Wheel Hub, Low-Drag REM Bearings, Races, Kit

    J J MOTORSPORTS

    $291.67
    If you're serious about reducing parasitic losses and extending bearing life under race conditions, the REM-polished surfaces in this kit deliver measurable improvements in rolling resistance and durability. Every component arrives pre-assembled and...
    234-8011
    SKU:
    234-8011
    Availability:
    Ships Same Business Day
    Weight:
    5.00 LBS
    $291.67
    Qty in Cart: 0
    Quantity:
    Price:
    $291.67
    Subtotal:
  • IMCA Mustang II Spindles with Hybrid 10" Rotor Kit 5x5

    IMCA Mustang II Spindles with Hybrid 10" Rotor Kit 5x5

    J J MOTORSPORTS

    $657.92
    Running a competitive IMCA dirt modified demands a front-end suspension setup that can handle repeated abuse without compromise. This complete spindle and rotor kit eliminates the guesswork of sourcing individual components and ensures proper fitment and...
    234-9060
    SKU:
    234-9060
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $657.92
    Qty in Cart: 0
    Quantity:
    Price:
    $657.92
    Subtotal:
  • IMCA Modified Throttle/Brake/Clutch Pedal Kit Wilwood Pedals/Cylinders

    IMCA Modified Throttle/Brake/Clutch Pedal Kit Wilwood Pedals/Cylinders

    J J MOTORSPORTS

    $613.44
    IMCA Modified racing demands absolute precision and control over every input to your vehicle—throttle response, braking authority, and clutch engagement can't be left to stock components. This Wilwood pedal kit delivers the hydraulic reliability and...
    234-9002
    SKU:
    234-9002
    Availability:
    Ships same business day
    Weight:
    5.00 LBS
    $613.44
    Qty in Cart: 0
    Quantity:
    Price:
    $613.44
    Subtotal:
  • hub wide 5 starlite 55 5 -bolt long stud black 270-6513bls

    Wilwood Wide 5 Starlite 55 5-Bolt Long Stud Black 270-6513BLS

    WILWOOD

    $225.79
    If you're running a dedicated race car on a Wide 5 platform, your rear hub needs to deliver uncompromising strength without the weight penalty that slows you down. The Wilwood Starlite 55 delivers exactly that—aircraft-grade aluminum construction that...
    WIL270-6513BLS
    SKU:
    WIL270-6513BLS
    Availability:
    Ships Same Business Day
    Weight:
    9.75 LBS
    $225.79
    Qty in Cart: 0
    Quantity:
    Price:
    $225.79
    Subtotal:
  • On Sale
    wide 5 hub assembly

    Aluminum Wilwood Wide 5 Front Wheel Hub, Low-Drag REM Bearings, Races, Kit

    J J MOTORSPORTS

    Now: $259.61
    Was: $309.31
    A quality front hub assembly is foundational to any serious track build—it directly impacts braking performance, wheel bearing longevity, and unsprung weight. This Wilwood Wide 5 kit brings together premium components engineered to minimize drag while...
    234-8010
    SKU:
    234-8010
    Availability:
    Ships Same Business Day
    Weight:
    5.00 LBS
    Now: $259.61
    Was: $309.31
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $259.61
    Was: $309.31
    Subtotal:
  • Rotor 8bt .810 11.75 x 7in UltraLite WIL160-0471

    Wilwood Ultralite 32 Vane Vented Iron Rotor 11.75 x 0.810 8 x 7.000 160-0471

    WILWOOD

    $59.75
    When you're pushing your vehicle to the limit on the track or in the dirt, your braking system needs to handle extreme heat and repeated hard stops without fading. The Wilwood Ultralite 32 Vane Vented Iron Rotor delivers the thermal management and...
    WIL160-0471
    SKU:
    WIL160-0471
    Availability:
    Ships Same Business Day
    Weight:
    8.18 LBS
    MFG Part #:
    160-0471
    $59.75
    Qty in Cart: 0
    Quantity:
    Price:
    $59.75
    Subtotal:
  • Rotor 8bt 1.25 11.75x7.0 Straight Vane WIL160-0483

    Wilwood Ultralite 32 Vane Vented Iron Rotor 11.75 x 1.25 8 x 7.00 WIL160-0483

    WILWOOD

    $59.75
    When you're pushing your vehicle to the limit on the track or in the dirt, your braking system has to be equally committed. The Wilwood Ultralite 32 Vane Vented Iron Rotor delivers the thermal stability and consistent stopping power you need under...
    WIL160-0483
    SKU:
    WIL160-0483
    Availability:
    Ships Same Business Day
    Weight:
    8.67 LBS
    MFG Part #:
    160-0483
    $59.75
    Qty in Cart: 0
    Quantity:
    Price:
    $59.75
    Subtotal:
  • Electric Right Front Brake Shut Off ALL48017

    Allstar Performance Electric Right Front Brake Shut Off ALL48017

    ALLSTAR PERFORMANCE

    $99.99
    Precision brake shutoff control is essential for competitive racing, especially in vehicles running dual brake systems or competing in classes with specific fuel cell safety requirements. The Allstar Performance Electric Right Front Brake Shut Off gives...
    ALL48017
    SKU:
    ALL48017
    Availability:
    Ships Same Business Day
    Weight:
    1.22 LBS
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • Steel 5x5 Rear Hub 8 Bt  HOW205218

    Howe Steel 5x5 Rear Hub 8 Bt 205218

    HOWE

    $462.99
    The Howe Steel 5x5 Rear Hub is engineered for racers and serious enthusiasts who demand reliable, repeatable performance in rear-axle applications. Built from proven steel construction, this hub delivers the structural integrity and durability needed for...
    HOW205218
    SKU:
    HOW205218
    Availability:
    Ships Same Business Day
    Weight:
    16.70 LBS
    MFG Part #:
    205218
    $462.99
    Qty in Cart: 0
    Quantity:
    Price:
    $462.99
    Subtotal:
  • Brake Floater Steel Bearing Style BSB7070

    BSB Brake Floater Steel Bearing Style 7070

    BSB MANUFACTURING

    $236.99
    A properly functioning brake floater bracket is critical for maintaining consistent pad pressure and preventing brake fade during extended track sessions or heavy braking zones. This BSB steel bearing style bracket delivers the precision fitment and...
    BSB7070
    SKU:
    BSB7070
    Availability:
    Ships Same Business Day
    Weight:
    7.79 LBS
    MFG Part #:
    7070
    $236.99
    Qty in Cart: 0
    Quantity:
    Price:
    $236.99
    Subtotal:
  • grand national wheel hub kit

    5x5 Grand National Full Floating Rear End Hub Kit – Lightweight Steel with Bearings & Hardware

    J J MOTORSPORTS

    $174.95
    A full-floating rear end demands a hub kit engineered to handle the abuse of high-performance driving while remaining serviceable in the pits or garage. This 5x5 Grand National hub kit delivers the durability and precision you need, with tapered bearings...
    RCDR-5200
    SKU:
    RCDR-5200
    Availability:
    Ships Same Business Day
    Weight:
    6.00 LBS
    $174.95
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • bearing kit

    Wheel Hub Hybrid Kit Kit Master Bearing Seal Locknut Kit

    J J MOTORSPORTS

    $53.98
    Proper wheel bearing maintenance is critical to chassis stability, tire wear consistency, and overall safety—especially under sustained cornering loads or high-speed driving. This complete hub kit eliminates the guesswork of sourcing individual bearing...
    234-9069
    SKU:
    234-9069
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $53.98
    Qty in Cart: 0
    Quantity:
    Price:
    $53.98
    Subtotal:
  • Wheel Hub Granada / Mustang II Hub Kit Master Bearing Seal Locknut Kit

    Wheel Hub Granada / Mustang II Hub Kit Master Bearing Seal Locknut Kit

    J J MOTORSPORTS

    $55.98
    Proper wheel bearing maintenance is critical for reliable handling, safety, and extending suspension component lifespan. This master bearing seal locknut kit provides everything needed to rebuild or service your Granada or Mustang II front hubs, ensuring...
    234-9068
    SKU:
    234-9068
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $55.98
    Qty in Cart: 0
    Quantity:
    Price:
    $55.98
    Subtotal:
  • bearing kit

    Wheel Hub Metric 79-81 Master Bearing Seal Locknut Kit

    J J MOTORSPORTS

    $53.98
    Proper wheel hub bearings are critical to safe, predictable handling and longevity of your front end. This complete metric bearing and seal kit eliminates the guesswork of sourcing individual components and ensures you have factory-spec replacements for...
    234-9067
    SKU:
    234-9067
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $53.98
    Qty in Cart: 0
    Quantity:
    Price:
    $53.98
    Subtotal:
  • Wheel Hub Metric 82-88 Master Bearing Seal Locknut Kit

    Wheel Hub Metric 82-88 Master Bearing Seal Locknut Kit

    J J MOTORSPORTS

    $53.98
    Wheel hub bearing integrity directly impacts your vehicle's handling precision, safety, and longevity. This comprehensive master bearing seal locknut kit eliminates guesswork by providing all OEM-equivalent components needed for a complete,...
    234-9066
    SKU:
    234-9066
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $53.98
    Qty in Cart: 0
    Quantity:
    Price:
    $53.98
    Subtotal:
  • IMCA Mustang II Spindles Calipers with Granada 11" Rotor Kit 5x5

    IMCA Mustang II Spindles Calipers with Granada 11" Rotor Kit 5x5

    J J MOTORSPORTS

    $759.90
    If you're running an IMCA-legal build, brake performance is non-negotiable—and this Mustang II spindle and rotor kit delivers the stopping power your racing demands. The Granada 11" rotor paired with proper calipers gives you the thermal capacity and...
    234-9063
    SKU:
    234-9063
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $759.90
    Qty in Cart: 0
    Quantity:
    Price:
    $759.90
    Subtotal:
  • IMCA Mustang II Spindles Calipers with Hybrid 10" Rotor Kit 5x5

    IMCA Mustang II Spindles Calipers with Hybrid 10" Rotor Kit 5x5

    J J MOTORSPORTS

    $797.90
    If you're running IMCA competition or building a dedicated race car, brake performance isn't optional—it's foundational. This spindle and caliper kit delivers the stopping power and reliability you need to compete confidently, with a hybrid rotor design...
    234-9062
    SKU:
    234-9062
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $797.90
    Qty in Cart: 0
    Quantity:
    Price:
    $797.90
    Subtotal:
  • IMCA Mustang II Spindles with Granada 11" Rotor Kit 5x5

    IMCA Mustang II Spindles with Granada 11" Rotor Kit 5x5

    J J MOTORSPORTS

    $619.92
    If you're building a competitive IMCA Mustang II or upgrading an existing platform, this spindle and rotor combination delivers the stopping power and reliability you need in sanctioned competition. The Granada 11" rotor kit paired with purpose-built...
    234-9061
    SKU:
    234-9061
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $619.92
    Qty in Cart: 0
    Quantity:
    Price:
    $619.92
    Subtotal:
  • metric kit

    Metric 1979-81 Spindle Rotor Caliper Kit 5x5 Replacement Style Spindles

    J J MOTORSPORTS

    $669.92
    Upgrading your 1979-81 front brake system with a complete metric spindle, rotor, and caliper kit eliminates the need to source and match individual components—saving you time and ensuring proper brake geometry. This bolt-on replacement restores your...
    234-9059
    SKU:
    234-9059
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $669.92
    Qty in Cart: 0
    Quantity:
    Price:
    $669.92
    Subtotal:
  • metric rotor kit

    Metric 1982-88 Spindle Rotor Caliper Kit 5x5 Replacement Style Spindles

    J J MOTORSPORTS

    $677.92
    If you're running 5x5 bolt pattern wheels on a 1982–88 metric vehicle, a complete spindle and brake system overhaul is essential for safe, predictable handling and stopping power. This kit delivers everything needed for a full front-end refresh—new...
    234-9058
    SKU:
    234-9058
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    $677.92
    Qty in Cart: 0
    Quantity:
    Price:
    $677.92
    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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