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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Allstar Performance Inner/Outer Bearing 5x5 2.5in Pin Grand National ALL72210
ALLSTAR PERFORMANCE
$21.99A quality wheel bearing set is fundamental to reliable, consistent racing performance—compromising here means risking catastrophic hub failure and lost race time. The Allstar Performance Inner/Outer Bearing set is engineered for the demanding 5x5 Grand...ALL72210- SKU:
- ALL72210
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MFG Part #:
- ALL72210
$21.99 -
Allstar Performance Brake Bracket for 3pc Spindle RH ALL55982
ALLSTAR PERFORMANCE
$44.99A properly mounted brake caliper is non-negotiable for consistent stopping power and even pad wear. This Allstar Performance bracket delivers the precision fitment you need for your 3-piece spindle setup, eliminating guesswork and ensuring your braking...ALL55982- SKU:
- ALL55982
- Availability:
- Ships Same Business Day
- Weight:
- 1.67 LBS
- MFG Part #:
- ALL55982
$44.99 -
Allstar Performance Brake Bracket for 3pc Spindle LH ALL55981
ALLSTAR PERFORMANCE
$44.99If you're running a Mustang II or GM metric spindle setup, a quality brake bracket is non-negotiable for safe, consistent stopping power. The Allstar Performance ALL55981 delivers a rigid, bolt-on mounting solution that positions your GM metric caliper...ALL55981- SKU:
- ALL55981
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- MFG Part #:
- ALL55981
$44.99 -
Allstar Performance Caliper Bracket Metric Clamp On 3 Piece ALL42133
ALLSTAR PERFORMANCE
$72.99Upgrade your rear brake setup with confidence using the Allstar Performance ALL42133 Caliper Bracket — a rock-solid solution designed to mount your GM metric caliper cleanly and securely. Built from durable steel with a sleek black paint finish, this...ALL42133- SKU:
- ALL42133
- Availability:
- Ships Same Business Day
- Weight:
- 3.24 LBS
- MFG Part #:
- ALL42133
$72.99 -
Allstar Performance Hybrid Brake Bracket Right ALL42119
ALLSTAR PERFORMANCE
$34.99Upgrade your front braking setup with confidence using the Allstar Performance Hybrid Brake Bracket Right (ALL42119) — a precision-engineered solution built specifically for Mustang II and Pinto applications. Designed to seamlessly mate your GM Metric...ALL42119- SKU:
- ALL42119
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
- MFG Part #:
- ALL42119
$34.99 -
Allstar Performance Hybrid Brake Bracket Left ALL42118
ALLSTAR PERFORMANCE
$34.99Upgrade your front braking setup with confidence using the Allstar Performance Hybrid Brake Bracket Left (ALL42118) — a precision-engineered solution built specifically for Mustang II and Pinto applications. Designed to seamlessly mate a GM Metric...ALL42118- SKU:
- ALL42118
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- MFG Part #:
- ALL42118
$34.99 -
Allstar Performance GM Caliper Metric LH 78-87 ALL42084
ALLSTAR PERFORMANCE
$69.99Take your braking performance to the next level with the Allstar Performance GM Metric Brake Caliper (ALL42084) — a brand-new, direct-fit replacement built tough for serious driving. Crafted from durable cast iron, this left-hand (driver side) caliper...ALL42084- SKU:
- ALL42084
- Availability:
- Ships Same Business Day
- Weight:
- 7.46 LBS
- MFG Part #:
- ALL42084
$69.99 -
Allstar Performance GM Caliper Metric RH 78-87 ALL42083
ALLSTAR PERFORMANCE
$69.99Give your braking system the upgrade it deserves with the Allstar Performance GM Metric Brake Caliper (ALL42083) — a rock-solid, direct-fit replacement built specifically for 1978–1987 GM vehicles. Crafted from durable cast iron, this passenger-side...ALL42083- SKU:
- ALL42083
- Availability:
- Ships Same Business Day
- Weight:
- 7.46 LBS
- MFG Part #:
- ALL42083
$69.99 -
Allstar Performance Brake Bias Adjuster Short Crank Type 3/8 ALL42078
ALLSTAR PERFORMANCE
$119.99Take the guesswork out of brake tuning with the Allstar Performance Brake Bias Adjuster (ALL42078) — a must-have tool for racers and performance enthusiasts who demand precision on every lap. The intuitive crank-style adjuster and reference pointer...ALL42078- SKU:
- ALL42078
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- ALL42078
$119.99Qty in Cart: 0Quantity:Price:$119.99Subtotal: -
Allstar Performance Brake Bias Adjuster 5ft Cable Type ALL42072
ALLSTAR PERFORMANCE
$59.99Take full control of your braking performance without ever leaving the cockpit. The Allstar Performance ALL42072 Brake Bias Adjuster gives you the ability to fine-tune front-to-rear brake balance on the fly, helping you dial in the perfect setup for any...ALL42072- SKU:
- ALL42072
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- ALL42072
$59.99 -
Allstar Performance Brake Bias Adjuster Crank Type Long ALL42071
ALLSTAR PERFORMANCE
$29.99Take full control of your braking performance without ever leaving your seat. The Allstar Performance Brake Bias Adjuster Crank Type Long (ALL42071) lets you fine-tune your brake balance on the fly, giving you the competitive edge when track conditions...ALL42071- SKU:
- ALL42071
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- ALL42071
$29.99 -
Allstar Performance Caliper Spacer Superlite .190 Thick ALL42043
ALLSTAR PERFORMANCE
$9.99Get the perfect brake pad clearance and optimal caliper positioning with the Allstar Performance Caliper Spacer Superlite. Precision-machined from lightweight aluminum, this spacer is purpose-built for Wilwood Superlite calipers to help you dial in your...ALL42043- SKU:
- ALL42043
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MFG Part #:
- ALL42043
$9.99 -
Allstar Performance Caliper Spacer Metric .190 Thick ALL42040
ALLSTAR PERFORMANCE
$10.99Keep your GM Metric calipers dialed in perfectly with the Allstar Performance Caliper Spacer. This precision-machined aluminum spacer ensures proper brake pad positioning, giving you consistent, reliable stopping power every time you hit the brakes...ALL42040- SKU:
- ALL42040
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- ALL42040
$10.99 -
Allstar Performance Disc Brake Kit Mustang II 5 on 5.0in BC ALL42030
ALLSTAR PERFORMANCE
$399.99Upgrade your Mustang II front end with confidence using the Allstar Performance Disc Brake Kit (ALL42030) — a complete, bolt-on solution engineered for serious street and track builds. Designed specifically for Ford Mustang II spindles, this kit delivers...ALL42030- SKU:
- ALL42030
- Availability:
- Ships Same Business Day
- Weight:
- 64.83 LBS
- MFG Part #:
- ALL42030
$399.99 -
AFCO GM LH Metric Caliper 2.5" Piston 1-Piece Cast Iron 6635004
AFCO RACING PRODUCTS
$95.99When it comes to stopping power you can count on, the AFCO GM LH Metric Caliper (6635004) delivers the reliability and precision that performance drivers demand. Built tough with cast iron construction and a pressure-tested stainless steel piston, this...AFC6635004- SKU:
- AFC6635004
- Availability:
- Ships Same Business Day
- Weight:
- 7.35 LBS
- MFG Part #:
- 6635004
$95.99 -
AFCO GM RH Metric Caliper 2.5" Bore Steel 5.5" Mount 6635003
AFCO RACING PRODUCTS
$98.99When it comes to stopping power you can trust, the AFCO GM RH Metric Caliper (6635003) delivers rock-solid braking performance built to last. Engineered specifically for the passenger side of GM vehicles, this steel-constructed caliper is a go-to choice...AFC6635003- SKU:
- AFC6635003
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- MFG Part #:
- 6635003
$98.99 -
Wide 5 (1-ton) Rear Wheel Hub Wilwood, Low-Drag REM Polished Bearings, Races, Long Wheel Studs Kit
J J MOTORSPORTS
$279.99When you're running the high-banked turns of competitive dirt late model racing, your wheel hub assembly has to handle extreme lateral loads without flexing, binding, or overheating. The Wilwood Wide 5 (1-ton) hub kit eliminates friction points that rob...234-8013- SKU:
- 234-8013
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$279.99 -
Wide 5 (1-ton) Rear Wheel Hub Wilwood, Low-Drag REM Polished Bearings, Races, Kit
J J MOTORSPORTS
$307.71Dirt late model racing demands a rear hub assembly that can handle extreme side-loading and punishing impacts without compromise. This Wilwood Wide 5 kit combines a robust 1-ton aluminum hub with REM-polished bearings and races that dramatically reduce...234-8012- SKU:
- 234-8012
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$307.71 -
Winters rotor mounting plate steel 5 x 4.500 in to 8 x 7.000 in bolt pattern 4811
WINTERS
$73.99If you're running a purpose-built race car with non-standard brake geometry, bolt pattern mismatches can compromise rotor alignment and brake performance—leaving you with uneven pad wear and unpredictable stopping power. The Winters 4811 rotor mounting...WIN4811- SKU:
- WIN4811
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$73.99 -
Winters Rotor Mounting Plate Steel 7.5 x 7.5 x 0.25 inches 3708
WINTERS
$73.99If you're running a Wide 5 wheel setup but need to mount modern 8 x 7.000-inch rotors, this adapter plate is essential for achieving proper brake alignment without fabrication. The Winters 3708 delivers precision bolt-pattern conversion in a compact,...WIN3708- SKU:
- WIN3708
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$73.99
