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
- IMCA Mustang II Spindles with Hybrid 10" Rotor Kit 5x5 – Kit includes LH & RH IMCA Mustang II spindles, caliper brackets, hardware, rotor bearings, seals, and 10" hybrid style rotors with studs; ideal for IMCA dirt modifieds with 5x5 bolt pattern.
- Aluminum Wilwood Wide 5 Front Wheel Hub, Low-Drag REM Bearings, Races, Kit – Kit features Wilwood Starlite 55 hub assembly with studs, REM finished inner/outer bearings, low-drag seal, and bearing races; aluminum construction for wide 5 applications.
- 5x5 Grand National Full Floating Rear End Hub Kit – Lightweight Steel with Bearings & Hardware – Lightweight steel hub with black oxide coating, 5x5 bolt pattern, 24-spline drive flange, 2.5-inch ID tapered bearings, seals, and hardware; fits full floater rear axles with 2.5-inch ends.
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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Wilwood HD 48 Curved Vane Rotor 12.19 x 1.25 RH 8 x 7.00 WIL160-11835
WILWOOD
$198.45The Wilwood HD 48 Curved Vane Rotor is engineered for high-performance braking applications, featuring a 12.19-inch diameter and 1.25-inch thickness. Designed for the passenger side, this rotor utilizes a proprietary Spec-37 iron alloy, offering...WIL160-11835- SKU:
- WIL160-11835
- Availability:
- Ships Same Business Day
- Weight:
- 13.84 LBS
- MFG Part #:
- 160-11835
$198.45 -
Wilwood 12in x 0.350in Drilled Steel Rotor 8 x 7 Bolt Pattern 160-0525
WILWOOD
$125.68This high-performance brake rotor is engineered for enhanced braking efficiency and durability. Designed with a drilled pattern, it offers superior heat dissipation and reduced brake fade, making it ideal for racing and high-performance applications. ...WIL160-0525- SKU:
- WIL160-0525
- Availability:
- Ships Same Business Day
- Weight:
- 5.49 LBS
- MFG Part #:
- 160-0525
$125.68 -
Wilwood 12 x 0.310 Drilled Steel Rotor 8 x 7.620 Bolt Pattern 160-0495
WILWOOD
$125.68The Wilwood 12 x 0.310 Drilled Steel Rotor 8 x 7.620 Bolt Pattern 160-0495 is a high-performance brake rotor designed for lightweight open-wheel vehicles such as sprints and modifieds. Constructed from a special high-strength steel alloy, this rotor...WIL160-0495- SKU:
- WIL160-0495
- Availability:
- Ships Same Business Day
- Weight:
- 4.64 LBS
- MFG Part #:
- 160-0495
$125.68 -
Wilwood PolyMatrix H Compound Brake Pads 0.80" Thick for Superlite 4/6 Calipers 15H-8114K
WILWOOD
$263.28The Wilwood Polymatrix Pad Set WIL15H-8114K is engineered for high-performance racing applications, offering exceptional braking capabilities under extreme conditions. Designed specifically for Wilwood Superlite 4 and 6 calipers, these pads utilize the...WIL15H-8114K- SKU:
- WIL15H-8114K
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
- MFG Part #:
- 15H-8114K
$263.28 -
Wilwood PolyMatrix B Compound Brake Pads Medium Friction High Temperature Grand National III Caliper 15B-3993K
WILWOOD
$266.78The Wilwood B Type Brake Pad GN WIL15B-3993K is engineered for high-performance braking in racing applications. Designed with the PolyMatrix B compound, these pads offer medium-high friction and excellent cold response, ensuring reliable stopping power...WIL15B-3993K- SKU:
- WIL15B-3993K
- Availability:
- Ships Same Business Day
- Weight:
- 6.06 LBS
- MFG Part #:
- 15B-3993K
$266.78 -
Wilwood BP-10 Brake Pads 6812 for Dynalite and Dynapro Single Calipers WIL150-9764K
WILWOOD
$59.26Enhance your braking performance with the Wilwood Brake Pad D/L 6812 WIL150-9764K. Designed for Wilwood's Dynalite and Dynapro single calipers, these pads feature the BP-10 compound, offering medium friction and temperature characteristics suitable for...WIL150-9764K- SKU:
- WIL150-9764K
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 150-9764K
$59.26 -
Wilwood BP-10 Brake Pad Set 6617 for Aero4 Aero6 W4A W6A Calipers 150-9488K
WILWOOD
$129.56The Wilwood BP-10 Brake Pad Set 6617 is engineered for high-performance street and racing applications, offering medium friction and smooth engagement. Designed for Wilwood Aero4, Aero6, W4A, and W6A calipers, these pads provide consistent braking...WIL150-9488K- SKU:
- WIL150-9488K
- Availability:
- Ships Same Business Day
- Weight:
- 5.84 LBS
- MFG Part #:
- 150-9488K
$129.56 -
Wilwood BP-10 Brake Pads Medium Friction for Dynapro Calipers 150-9136K
WILWOOD
$62.74Enhance your braking performance with the Wilwood BP-10 Type Brake Pad, designed specifically for Dynapro calipers. This pad offers a medium friction compound that ensures smooth engagement and consistent response across a broad temperature range, making...WIL150-9136K- SKU:
- WIL150-9136K
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- MFG Part #:
- 150-9136K
$62.74 -
Wilwood BP-10 Brake Pads Medium Friction Narrow Dynalite Dynapro Calipers 150-8946K
WILWOOD
$67.76The Wilwood Brake Pad BP-10 NDL WIL150-8946K is engineered for high-performance braking in narrow Dynalite and Dynapro calipers. Designed with the BP-10 compound, it offers medium friction and medium temperature characteristics, ensuring smooth...WIL150-8946K- SKU:
- WIL150-8946K
- Availability:
- Ships Same Business Day
- Weight:
- 2.74 LBS
- MFG Part #:
- 150-8946K
$67.76 -
Wilwood BP-10 Brake Pads Medium Friction for GM D154 Metric Calipers 150-8936K
WILWOOD
$79.75Designed for high-performance street and track applications, the Wilwood Brake Pad BP-10 Metric WIL150-8936K offers medium friction and temperature characteristics, making it ideal for GM 1978-up midsize vehicles. This pad provides smooth engagement and...WIL150-8936K- SKU:
- WIL150-8936K
- Availability:
- Ships Same Business Day
- Weight:
- 3.38 LBS
- MFG Part #:
- 150-8936K
$79.75 -
Wilwood BP-10 Brake Pads Medium Friction for Dynalite Calipers 150-8850K
WILWOOD
$62.64Enhance your vehicle's braking performance with Wilwood's BP-10 Dynalite brake pads, designed for medium friction and temperature ranges. These pads offer smooth engagement and low dust levels, making them ideal for high-performance street, autocross,...WIL150-8850K- SKU:
- WIL150-8850K
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- MFG Part #:
- 150-8850K
$62.64 -
Wilwood 2.38" GM Round O-Ring Kit 4 Pack 130-4956
WILWOOD
$18.32The Wilwood Round O-Ring Kit - 2.38 is a high-quality brake caliper rebuild kit designed for 2.38-inch Wilwood pistons. This kit includes durable O-rings and rubbers essential for maintaining optimal brake performance. Regular maintenance with this kit...WIL130-4956- SKU:
- WIL130-4956
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 130-4956
$18.32 -
Wilwood 2.75-inch GM Round O-Ring Kit 4-pack 130-4955
WILWOOD
$18.32This Wilwood O-Ring Kit is designed for the maintenance and rebuild of GM brake calipers equipped with 2.75-inch pistons. It includes four durable O-rings and rubber seals, ensuring optimal performance and preventing leakage in your braking system...WIL130-4955- SKU:
- WIL130-4955
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 130-4955
$18.32 -
Wilwood 1.62in Square O-Ring Kit 4 Pack 130-4346
WILWOOD
$11.35The Wilwood O-Ring Kit 1.62in Square Seal 4pk is designed for the maintenance and repair of Wilwood brake calipers featuring 1.62-inch pistons. This kit includes four high-quality square-ring seals, ensuring a secure and leak-proof fit for optimal...WIL130-4346- SKU:
- WIL130-4346
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-4346
$11.35 -
Wilwood Square O-Ring Kit 1.38" 4-Pack 130-2658
WILWOOD
$11.35Ensure optimal performance and longevity of your Wilwood brake calipers with the Wilwood Square O-Ring Kit. Designed for 1.38-inch pistons, this kit provides a reliable seal to prevent leakage and maintain consistent braking force. Regular maintenance...WIL130-2658- SKU:
- WIL130-2658
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2658
$11.35 -
Wilwood 1.75" Square O-Ring Kit 4-Pack 130-2655
WILWOOD
$11.35Ensure optimal performance and safety of your Wilwood brake calipers with the Square O-Ring Kit designed for 1.75-inch pistons. This comprehensive rebuild kit includes four square-section O-rings, crafted from durable 210M material, to maintain a secure...WIL130-2655- SKU:
- WIL130-2655
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 130-2655
$11.35 -
Wilwood Square O-Ring Kit 1.12 130-2579
WILWOOD
$13.90The Wilwood Square O-Ring Kit is designed for the maintenance and repair of Wilwood brake calipers featuring 1.12-inch pistons. This kit includes high-quality square O-rings that ensure a secure and leak-proof seal, contributing to optimal braking...WIL130-2579- SKU:
- WIL130-2579
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2579
$13.90 -
Wilwood Square O-Ring Kit 1.25" Piston 4-Pack 130-2479
WILWOOD
$13.90The Wilwood Square O-Ring Kit is designed for the maintenance and repair of Wilwood brake calipers featuring 1.25-inch pistons. This comprehensive kit includes all necessary O-rings and rubber seals to ensure optimal performance and prevent leakage,...WIL130-2479- SKU:
- WIL130-2479
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2479
$13.90 -
Wilwood Square O-Ring Kit 1.88/1.75 4-Pack 130-2427
WILWOOD
$13.90The Wilwood Square O-Ring Kit is designed for the maintenance of Wilwood brake calipers featuring 1.88 and 1.75-inch pistons. This kit includes high-quality square O-rings essential for effective piston sealing, ensuring optimal brake performance and...WIL130-2427- SKU:
- WIL130-2427
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2427
$13.90 -
Wilwood 2.00" Round O-Ring Kit 4-Pack 130-0777
WILWOOD
$18.32The Wilwood Round O-Ring Kit is designed for the maintenance and rebuilding of Wilwood brake calipers featuring 2.00-inch pistons. This comprehensive kit includes all necessary components to ensure optimal performance and longevity of your braking system...WIL130-0777- SKU:
- WIL130-0777
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 130-0777
$18.32
