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!
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- Qty in Cart
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- Price
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IMCA Short Arm 3-Piece Spindle With Wilwood Rotor Kit
J J MOTORSPORTS
$765.10Whether you're building a competitive IMCA racer or upgrading your short-arm suspension geometry, this complete spindle kit eliminates the guesswork of sourcing compatible components. Wilwood rotors and bearings paired with precision spindle bodies give...234-9057- SKU:
- 234-9057
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$765.10 -
IMCA Short Arm 3-Piece Spindle with AFCO Rotors Kit
J J MOTORSPORTS
$691.30Short-arm spindles are critical for precision front-end geometry, especially in IMCA competition where suspension compliance directly impacts lap times and tire wear. This complete kit delivers everything needed for a bolt-on front-end upgrade,...234-9056- SKU:
- 234-9056
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$691.30 -
Late Model Wide 5 Low Drag Hub/Seal Kit REM Finished (2 hubs)
J J MOTORSPORTS
$530.38If you're running late-model wide 5 wheels on a drag setup, hub quality directly impacts your consistency and safety at the strip. This REM-finished hub and seal kit eliminates runout issues and provides the precision fit required for high-velocity...234-9054- SKU:
- 234-9054
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$530.38 -
Wilwood Ultralite 32 11.75" x 1.25" Brake Rotor 8 x 7" Bolt Pattern 160-2899
WILWOOD
$69.42When you're pushing your vehicle to the limit on track or dirt, brake fade isn't an option—it's a failure waiting to happen. The Wilwood Ultralite 32 delivers the thermal management and structural rigidity that high-performance braking demands, with a...WIL160-2899- SKU:
- WIL160-2899
- Availability:
- Ships Same Business Day
- Weight:
- 9.51 LBS
- MFG Part #:
- 160-2899
$69.42 -
Hybrid Front Disc Brake Rotor Conversion Kit
SPEEDWAY MOTORS
$174.99If you're running Pinto spindles on your dirt circle track car, you already know that Granada rotors add unnecessary weight and compromise your stopping power. This Hybrid Front Disc Brake Rotor Conversion Kit lets you shed rotational mass while...91031994- SKU:
- 91031994
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- Position:
- Front
- Bolt Pattern:
- 5 on 5"
- Rotor Diameter:
- 10 Inch
- Rotor Type:
- Vented
- Rotor Thickness:
- .81"
- Thread Pitch:
- 5/8"-11
- Hardware Included:
- Yes
$174.99 -
78-88 GM Metric Loaded Brake Caliper Kit with D154 Hawk Black Brake Pads - 2.375" Bore
J J MOTORSPORTS
$275.87When you're pushing a classic GM Metric to its limits—whether on the street or track—factory braking systems fall short. This loaded caliper kit paired with Hawk D154 pads delivers the stopping power and consistency you need for confident deceleration...RCBR-5007- SKU:
- RCBR-5007
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$275.87 -
Hybrid Front Disc 10" Brake Rotor Conversion Kit - 5x5 Bolt Pattern, 5/8"-11 Studs
J J MOTORSPORTS
$367.94If you're running Mustang II spindles and need genuine stopping power without excess weight, this conversion kit delivers the upgrade your build demands. The hybrid rotor design pairs Granada-style hub strength with a compact footprint, giving you...RCBR-5006- SKU:
- RCBR-5006
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$367.94 -
5x5 2.5-Inch Pin Wheel Hub Bearing - Tapered for GN, AFCO, SCP, Winters Hubs
J J MOTORSPORTS
$16.95Wheel bearing wear is one of the fastest ways to lose steering precision and invite catastrophic hub failure at race speed. This 5x5 2.5-inch pin bearing delivers the tapered geometry and precision fit your GN, AFCO, SCP, or Winters hub demands,...RCBS-6004- SKU:
- RCBS-6004
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Style:
- Tapered
- For:
- 5 x 5 2.5" pin
- Fitment:
- Inner or Outer (same size)
- Type:
- Wheel Bearing
- Unit of Measure:
- Each
$16.95 -
Wilwood Modified Hub and Rotor Kit 10.5" Vented 5x5" Bolt Pattern Long Studs 160-9239LS
WILWOOD
$159.88If you're building a high-performance braking system for a classic GM G-Body, you need hub and rotor components engineered for the demands of track work and street performance. This Wilwood kit delivers the precision fitment and durability required for...234-9077- SKU:
- 234-9077
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$159.88 -
IMCA 3-Piece Metric Spindles Kit 1982-88 - 10.5" Allstar Rotors, Bearings, and Hardware
J J MOTORSPORTS
$577.94If you're running a GM Metric car in IMCA competition, your suspension and braking system need to be rock-solid—and this complete spindle kit delivers exactly that. Forged, heat-treated spindles paired with quality Allstar rotors and a full bearing...RCBR-5005- SKU:
- RCBR-5005
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
$577.94 -
IMCA 3-Piece Metric Spindles Kit - 10.4" AFCO Rotors, 5/8-11 Studs, and Bearings
J J MOTORSPORTS
$565.94If you're running IMCA competition or upgrading a GM Metric suspension, this spindle kit eliminates guesswork—it's a complete, regulation-approved system that addresses braking, handling, and compliance in one purchase. The AFCO rotors and...RCBR-5004- SKU:
- RCBR-5004
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
$565.94 -
On Sale
Wehrs Brake Floater Left Rear Single Shear WEHWM200-16LSS
WEHRS MACHINE
MSRP: $235.99Now: $231.00Was: $235.99Brake performance under extreme racing conditions demands precision engineering and reliability you can trust. The Wehrs Brake Floater Left Rear Single Shear delivers the precise caliper positioning and load distribution needed for consistent braking...WEHWM200-16LSS- SKU:
- WEHWM200-16LSS
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
MSRP: $235.99Now: $231.00Was: $235.99 -
Moser Engineering GN C/T Hub Package Steel Hub & Rotor 4200P54C-RH
MOSER ENGINEERING
$730.00A quality rear hub package is the foundation of any reliable rear axle assembly—it directly impacts load capacity, handling precision, and long-term durability. The Moser Engineering GN C/T Hub Package delivers a complete, bolt-together solution with all...MEI4200P54C- SKU:
- MEI4200P54C
- Availability:
- Ships Same Business Day
- Weight:
- 32.28 LBS
$730.00 -
Allstar Performance Hub/Rotor Hybrid 5x5in ALL42094
ALLSTAR PERFORMANCE
$119.99If you're building or restoring a classic Mustang II or Pinto with serious stopping power in mind, this Allstar hub/rotor hybrid delivers the braking performance you need without compromise. The cast iron construction provides consistent thermal...ALL42094- SKU:
- ALL42094
- Availability:
- Ships Same Business Day
- Weight:
- 14.95 LBS
$119.99 -
Winters Drive Flange Dust Cover 3-Bolt O-Ring Aluminum Red Anodized 5 On 5 Hubs WIN4310
WINTERS
$14.99Wheel hub protection isn't optional in high-performance racing—contamination from debris and moisture degrades bearing surfaces and compromises reliability when it matters most. The Winters Drive Flange Dust Cover seals your 5 on 5 hubs with a...WIN4310- SKU:
- WIN4310
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 4310
$14.99 -
Winters Red Anodized Aluminum 3-Bolt Dust Cap for 5x5 Hubs WIN1726
WINTERS
$11.99Your hub's drive flange is exposed to constant road debris, dirt, and moisture that accelerate wear and compromise bearing performance. The Winters Red Anodized Aluminum 3-Bolt Dust Cap seals out contaminants with a simple bolt-on design, extending hub...WIN1726- SKU:
- WIN1726
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 1726
$11.99 -
Wilwood Remote Brake Bias Adjuster Cable 5 ft Cable 3/8-24 Thread WIL340-4990
WILWOOD
$60.35Real-time brake bias adjustment separates competitive drivers from the rest. With Wilwood's remote adjuster, you can fine-tune your front-to-rear brake balance mid-corner without lifting off the throttle—giving you the edge when track conditions change...WIL340-4990- SKU:
- WIL340-4990
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 340-4990
$60.35 -
Wilwood Starlite 55XD Rear Hub 5-Bolt Wide 5 5/8-11 Studs 8x7 Rotor Mount 270-12111C
WILWOOD
$264.63If you're running a dedicated race car with a Wide 5 wheel bolt pattern, you need a rear hub engineered to handle serious brake loads without deflection or flex. The Wilwood Starlite 55XD delivers that precision with a bolt-on rotor mount that transfers...WIL270-12111C- SKU:
- WIL270-12111C
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- MFG Part #:
- 270-12111C
$264.63 -
Wilwood High-Volume Aluminum Master Cylinder 1in Bore Integral Reservoir 260-6766
WILWOOD
$76.58If you're running large piston calipers or building a high-performance braking system, brake feel and modulation depend on having adequate fluid volume in your master cylinder. The Wilwood High-Volume Aluminum Master Cylinder delivers 8.2 ounces of...WIL260-6766- SKU:
- WIL260-6766
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MFG Part #:
- 260-6766
$76.58 -
Wilwood High-Volume Aluminum Master Cylinder 7/8in Bore Integral Reservoir 260-6765
WILWOOD
$76.58If you're running large-displacement brake calipers or need extra fluid capacity for high-heat racing applications, undersized master cylinders will leave you with mushy pedal feel and inconsistent braking pressure. The Wilwood 7/8-inch High-Volume...WIL260-6765- SKU:
- WIL260-6765
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MFG Part #:
- 260-6765
$76.58
