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 caliper shim 10pk 0.8128mm thick 9.525mm ID 240-4384
WILWOOD
$10.04Caliper shims are essential for maintaining precise rotor-to-pad alignment and eliminating brake vibration that degrades stopping power and pad life. Wilwood's 10-pack gives you the stackable shims needed to dial in your braking geometry without custom...WIL240-4384- SKU:
- WIL240-4384
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 240-4384
$10.04 -
Wilwood Bleeder Screw Kit 10mm x 1.0 Thread Brass Set of 4 220-6069
WILWOOD
$19.33Brake fluid contamination and air pockets compromise stopping power—and bleeder screws are your first line of defense in maintaining a properly purged hydraulic system. The Wilwood Bleeder Screw Kit ensures you can service your brake calipers without...WIL220-6069- SKU:
- WIL220-6069
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- 220-6069
$19.33 -
Wilwood 4-Piece Brass Bleed Screw Assembly 1/8-27 NPT 220-0627
WILWOOD
$15.79Brake system maintenance starts with reliable bleed screws. Wilwood's brass bleeder assemblies resist corrosion and seizing, ensuring you can purge air from your brake lines without frustration or damage. Whether you're replacing worn originals or...WIL220-0627- SKU:
- WIL220-0627
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 220-0627
$15.79 -
Wilwood Thermlock Piston 1.75in x 1.05in for W6Ar W4Ar Sl NDl NDp GN lll 200-7551
WILWOOD
$59.64Excessive heat is the silent killer of brake performance—it crystallizes seals, boils fluid, and distorts caliper geometry, all of which compromise stopping power and shorten component life. The Wilwood Thermlock Piston tackles this problem head-on with...WIL200-7551- SKU:
- WIL200-7551
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MFG Part #:
- 200-7551
$59.64 -
Wilwood Superlite III Stainless Steel Brake Caliper Piston 1.75 x 1.03 WIL200-7531
WILWOOD
$15.17Brake performance under extreme conditions demands components that won't fail when precision matters most. The Wilwood Superlite III Stainless Steel Piston delivers the durability and consistency your high-performance braking system requires, whether...WIL200-7531- SKU:
- WIL200-7531
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- 200-7531
$15.17 -
Wilwood 1.75 x 0.88 Stainless Steel Brake Caliper Piston 200-7528
WILWOOD
$15.17Brake system reliability depends on precision-engineered components that can handle sustained high temperatures and repeated heavy loads. This Wilwood stainless steel piston delivers the durability and consistent clamping force your braking system...WIL200-7528- SKU:
- WIL200-7528
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- 200-7528
$15.17 -
Wilwood 1.38in x 0.88in Stainless Steel Caliper Piston 200-7518
WILWOOD
$15.17Brake performance hinges on component reliability, and a worn or damaged caliper piston compromises stopping power when you need it most. This Wilwood stainless steel piston delivers the precision fit and corrosion resistance required for consistent,...WIL200-7518- SKU:
- WIL200-7518
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 200-7518
$15.17 -
Wilwood Caliper Piston WIL200-7516
WILWOOD
$15.17Brake system reliability hinges on precision-engineered components, and a worn or damaged caliper piston compromises stopping power and safety. The Wilwood Caliper Piston WIL200-7516 delivers OEM-quality performance with stainless steel construction...WIL200-7516- SKU:
- WIL200-7516
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 200-7516
$15.17 -
Wilwood Stainless Steel Caliper Piston 2.75" x 1.50" GM III 200-6633
WILWOOD
$25.35If you're running GM III brake calipers on a high-performance build, piston integrity is non-negotiable—a worn or corroded piston compromises pad contact and brake feel. This Wilwood stainless steel piston delivers the durability and precision...WIL200-6633- SKU:
- WIL200-6633
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- MFG Part #:
- 200-6633
$25.35 -
Wilwood Crossover Tube for SL6/FSL4 Calipers 1.25" Rotor Set of 4 190-5975
WILWOOD
$76.17If you're running Wilwood Superlite or Superlite 6 calipers on a track car or high-performance street build, proper brake line routing is critical to consistent pedal feel and stopping power. These crossover tubes ensure precise fluid distribution...WIL190-5975- SKU:
- WIL190-5975
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 190-5975
$76.17 -
Wilwood 8BT 11.75" x 0.35" Drilled Scalloped Steel Rotor 8 x 7" Bolt Pattern 160-9772
WILWOOD
$132.32High-performance braking demands rotors engineered to handle extreme heat cycles without fade or warping. Wilwood's drilled and scalloped design accelerates heat dissipation while shedding unnecessary weight—critical advantages whether you're on the...WIL160-9772- SKU:
- WIL160-9772
- Availability:
- Ships Same Business Day
- Weight:
- 3.95 LBS
- MFG Part #:
- 160-9772
$132.32 -
Wilwood Ultralite 32 Scalloped Rotor 11.75" x 1.25" 8 x 7.00" Bolt Pattern 160-8814
WILWOOD
$142.85The Wilwood Ultralite 32 Scalloped Rotor is engineered for drivers who demand consistent braking performance without excess rotational mass. The scalloped vane design reduces unsprung weight while the premium iron alloy construction maintains thermal...WIL160-8814- SKU:
- WIL160-8814
- Availability:
- Ships Same Business Day
- Weight:
- 6.71 LBS
- MFG Part #:
- 160-8814
$142.85 -
Wilwood Ultralite 32 Vane Scalloped Rotor 11.75in x 1.25in 8 x 7.00in Bolt Pattern 160-8343
WILWOOD
$142.85When you're pushing your vehicle to the limit on track or in the dirt, thermal management and consistent stopping power are non-negotiable. The Wilwood Ultralite 32 combines a lightweight scalloped design with premium cast iron construction to deliver...WIL160-8343- SKU:
- WIL160-8343
- Availability:
- Ships Same Business Day
- Weight:
- 5.81 LBS
- MFG Part #:
- 160-8343
$142.85 -
Wilwood Ultralite 32 Vane Scalloped Iron Rotor 12.19in x 0.810in 8 x 7.000in Bolt Pattern 160-8136
WILWOOD
$142.85When you're pushing your vehicle to the limit on the track or in the dirt, brake fade and rotor wear become your biggest enemies. The Wilwood Ultralite 32 Vane Scalloped Iron Rotor delivers the thermal management and weight savings you need to maintain...WIL160-8136- SKU:
- WIL160-8136
- Availability:
- Ships Same Business Day
- Weight:
- 5.57 LBS
- MFG Part #:
- 160-8136
$142.85 -
Wilwood Ultralite 32 11.75in x 0.810in Scalloped Iron Rotor 8 x 7.000in Bolt Pattern 160-8135
WILWOOD
$142.85If you're running dirt racing applications where every pound matters and brake fade costs races, the Wilwood Ultralite 32 demands serious consideration. The scalloped design sheds unnecessary weight while the straight-vane geometry keeps temperatures in...WIL160-8135- SKU:
- WIL160-8135
- Availability:
- Ships Same Business Day
- Weight:
- 5.81 LBS
- MFG Part #:
- 160-8135
$142.85 -
Wilwood 10.75" x 0.810" Left-Hand Brake Rotor 6 x 6.25" Bolt Pattern 160-7098-BK
WILWOOD
$217.49Wilwood's directional cross-drilled and slotted design cuts heat and fade out of your braking system, delivering consistent stopping power whether you're pushing lap times or navigating daily traffic. The premium iron construction paired with a black...WIL160-7098-BK- SKU:
- WIL160-7098-BK
- Availability:
- Ships Same Business Day
- Weight:
- 7.62 LBS
- MFG Part #:
- 160-7098-BK
$217.49 -
Wilwood Brake Rotor Passenger Side 10.75in x 0.810in 6x6.25in 160-7097-BK
WILWOOD
$217.49If you're upgrading your braking system or replacing worn rotors, you need a rotor engineered for consistent performance under demanding conditions. The Wilwood 10.75-inch rotor delivers the thermal management and stopping power that serious drivers...WIL160-7097-BK- SKU:
- WIL160-7097-BK
- Availability:
- Ships Same Business Day
- Weight:
- 7.69 LBS
- MFG Part #:
- 160-7097-BK
$217.49 -
Wilwood Ultralite 32 Drilled Brake Rotor 11.75" x 1.25" 8 x 7.00" Bolt Pattern 160-5864
WILWOOD
$83.36When you're pushing your vehicle to the limit on the track or trail, thermal fade becomes your enemy. The Wilwood Ultralite 32 Drilled Rotor combats excessive heat buildup with a strategically drilled design that enhances airflow while shedding...WIL160-5864- SKU:
- WIL160-5864
- Availability:
- Ships Same Business Day
- Weight:
- 7.64 LBS
- MFG Part #:
- 160-5864
$83.36 -
Wilwood Ultralite 32 Drilled Rotor 11.75in x 0.810in 8 x 7.000in Bolt Pattern 160-5863
WILWOOD
$115.74High-performance braking demands rotors engineered to handle sustained heat and load cycles without fade or distortion. The Wilwood Ultralite 32 Drilled Rotor delivers the thermal management and lightweight construction necessary for consistent stopping...WIL160-5863- SKU:
- WIL160-5863
- Availability:
- Ships Same Business Day
- Weight:
- 7.49 LBS
- MFG Part #:
- 160-5863
$115.74 -
Wilwood Ultralite HP 32 Vane Vented Brake Rotor 12.19 in OD 0.81 in Thick 8 x 7.62 in Bolt Pattern 160-5844
WILWOOD
$129.25If you're running serious track time or pushing your braking system to its limits, heat management becomes the difference between consistent performance and fade. The Wilwood Ultralite HP 32 vented rotor dissipates thermal energy efficiently through its...WIL160-5844- SKU:
- WIL160-5844
- Availability:
- Ships Same Business Day
- Weight:
- 8.95 LBS
- MFG Part #:
- 160-5844
$129.25
