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 Compact Master Cylinder 0.75in Bore 1.12in Stroke Aluminum Black Paint WIL260-13619
WILWOOD
$110.06When brake system real estate is at a premium, the Wilwood Compact Master Cylinder delivers the hydraulic responsiveness you need without demanding extra space. Its 0.75-inch bore and 1.12-inch stroke provide confident, linear brake modulation for track...WIL260-13619- SKU:
- WIL260-13619
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
$110.06 -
Wilwood Spec-37 8-Bolt 11.75" x 1.00" 16 Vane Right-Hand Rotor 160-15879
WILWOOD
$190.56When you're pushing your vehicle to its limits on track or street, brake performance is non-negotiable. The Wilwood Spec-37 rotor delivers the thermal stability and fade resistance you need for consistent stopping power under extreme conditions. Its...WIL160-15879- SKU:
- WIL160-15879
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
$190.56 -
Wilwood Spec-37 8-Bolt 11.75" x 1.00" 16 Vane Right-Hand Rotor 160-15877
WILWOOD
$126.82If you're running a dedicated race car or upgrading your braking system for serious track duty, rotor thermal management directly impacts your stopping consistency and fade resistance. The Wilwood Spec-37 rotor delivers the cooling capacity you need...WIL160-15877- SKU:
- WIL160-15877
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
$126.82 -
Wilwood D154 Front Caliper Kit 2.50" Piston Black Powdercoat 140-12097-BK
WILWOOD
$484.13If you're running a classic GM from the '78–'98 era, your braking system is likely the weak link in your build. The Wilwood D154 Front Caliper Kit replaces mushy, fade-prone stock brakes with forged aluminum calipers and stainless steel...WIL140-12097-BK- SKU:
- WIL140-12097-BK
- Availability:
- Ships Same Business Day
- Weight:
- 13.80 LBS
$484.13 -
Wilwood D52-R 2.75in Piston 1.25in Rotor Floating Mount Caliper 120-15612
WILWOOD
$203.22Consistent, fade-resistant braking is non-negotiable in high-performance driving, and the Wilwood D52-R delivers exactly that with its forged aluminum construction and floating mount design. The single 2.75-inch stainless steel piston provides...WIL120-15612- SKU:
- WIL120-15612
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$203.22 -
Wilwood D52-R Single Piston Brake Caliper 2.75" Piston 1.04" Rotor 7.06" Mount WIL120-15611
WILWOOD
$203.22If you're running a GM-based brake system that demands consistent, predictable stopping power without compromise, the Wilwood D52-R Single Piston Caliper delivers the precision engineering that separates reliable street and track performance from...WIL120-15611- SKU:
- WIL120-15611
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
$203.22 -
Wilwood D52-R 2.75in Piston 0.810in Rotor Aluminum Brake Caliper 120-15610
WILWOOD
$203.22If you're running a classic GM platform and demand consistent, fade-free braking under sustained track conditions, the Wilwood D52-R delivers the stopping power and thermal stability that separate competitive lap times from mediocre ones. This...WIL120-15610- SKU:
- WIL120-15610
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
$203.22 -
Wilwood D52-R Caliper 2.38in Piston 1.25in Rotor 7.06in Mount 120-15609
WILWOOD
$203.22If you're running a 1968-96 GM vehicle and need reliable stopping power without breaking the bank, the Wilwood D52-R delivers the braking performance that separates committed enthusiasts from the rest. This single-piston caliper pairs a stainless steel...WIL120-15609- SKU:
- WIL120-15609
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
$203.22Qty in Cart: 0Quantity:Price:$203.22Subtotal: -
Wilwood D52-R Single Piston Floating Caliper 2.38" Piston 1.04" Rotor WIL120-15608
WILWOOD
$203.22Upgrading to a purpose-built racing caliper delivers the stopping power and consistency your high-performance setup demands. The Wilwood D52-R's single stainless steel piston and forged aluminum construction provide reliable braking force without the...WIL120-15608- SKU:
- WIL120-15608
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
$203.22 -
Wilwood D52-R Single Piston Aluminum Brake Caliper 2.38in Piston 0.810in Rotor 120-15607
WILWOOD
$203.22If you're running drum brakes or aging factory calipers on your classic GM, you're leaving serious stopping power on the table. The Wilwood D52-R delivers the hydraulic efficiency and thermal stability of a modern single-piston design while bolting...WIL120-15607- SKU:
- WIL120-15607
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
$203.22 -
Wilwood Superlite 6R Left-Hand Caliper 6-Piston Aluminum 14x1.25 Rotor 5.98 Radial Mount 120-13236
WILWOOD
$327.45If you're building a high-performance braking system or upgrading your track car, stopping power is non-negotiable. The Wilwood Superlite 6R Left-Hand Caliper delivers the clamping force and thermal stability you need for consistent, fade-resistant...WIL120-13236- SKU:
- WIL120-13236
- Availability:
- Ships Same Business Day
- Weight:
- 5.43 LBS
$327.45 -
Wilwood Superlite 6R Right-Hand 6-Piston Caliper 14" x 1.25" Rotor Radial Mount WIL120-13235
WILWOOD
$327.45If you're serious about braking performance, a 6-piston caliper delivers the clamping force and modulation that separates competitive lap times from mediocre ones. The Wilwood Superlite 6R combines forged aluminum construction with a lightweight design,...WIL120-13235- SKU:
- WIL120-13235
- Availability:
- Ships Same Business Day
- Weight:
- 5.43 LBS
$327.45 -
Wilwood Superlite 4R Radial Mount Caliper 4 Piston 1.25in Rotor 14in Diameter WIL120-13232
WILWOOD
$292.16Track-focused braking demands precision and reliability—the Wilwood Superlite 4R delivers both with a 4-piston configuration engineered to handle extreme temperatures and repetitive abuse. The forged aluminum construction paired with gray anodized finish...WIL120-13232- SKU:
- WIL120-13232
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$292.16 -
Wilwood Superlite 4R Left-Hand Radial Mount Caliper 4-Piston 1.25in Rotor WIL120-13228
WILWOOD
$292.16When you're serious about stopping power, brake component selection directly impacts your lap times and safety margin. The Wilwood Superlite 4R delivers the clamping force and thermal control needed for high-demand track and racing applications, with a...WIL120-13228- SKU:
- WIL120-13228
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$292.16 -
Wilwood Superlite 4R Radial Mount Caliper 4 Piston 1.25in Rotor Right Hand WIL120-13227
WILWOOD
$292.16The Wilwood Superlite 4R delivers the stopping power and precision control serious racers and high-performance builders demand. Its 4-piston design and forged aluminum construction provide consistent, fade-resistant braking while keeping unsprung weight...WIL120-13227- SKU:
- WIL120-13227
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$292.16 -
Wilwood D154 Red Dual Piston Caliper 1.62in Bore 12.19in Rotor 0.81in Thick 5.46in Mount WIL120-11873-RD
WILWOOD
$214.92If you're upgrading a mid-size GM brake system for street or track use, the Wilwood D154 delivers the stopping power and fade resistance you need without the weight penalty of factory cast iron. The forged aluminum construction paired with dual stainless...WIL120-11873-RD- SKU:
- WIL120-11873-RD
- Availability:
- Ships Same Business Day
- Weight:
- 4.90 LBS
$214.92 -
Brake Fan - RH Aluminum Wide 5 ALMBFW5R
ULTRA COOL BRAKE FANS
$79.99Brake fade during sustained racing or high-performance driving is a real problem—and brake cooling is the solution. This aluminum brake fan mounts directly to your hub, forcing fresh air through your brake components to maintain consistent stopping power...UCBALMBFW5R- SKU:
- UCBALMBFW5R
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$79.99Qty in Cart: 0Quantity:Price:$79.99Subtotal: -
Brake Fan - RH Aluminum 5x4-1/2 to 5-1/8 w/ .625 ALMBFS5-625R
ULTRA COOL BRAKE FANS
$79.99Brake cooling is critical in high-performance driving—inadequate airflow leads to brake fade, longer stopping distances, and potential failure under sustained track conditions. This hub-mounted aluminum brake fan pulls cool air directly through your...UCBALMBFS5-625R- SKU:
- UCBALMBFS5-625R
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$79.99Qty in Cart: 0Quantity:Price:$79.99Subtotal: -
Brake Fan - LH Aluminum 5x4-1/2 to 5-1/8 w/ .625 ALMBFS5-625L
ULTRA COOL BRAKE FANS
$79.99Brake cooling is critical for sustained high-performance driving, especially during extended track sessions or aggressive street driving where heat buildup can compromise stopping power and fade braking response. This aluminum brake fan mounts directly...UCBALMBFS5-625L- SKU:
- UCBALMBFS5-625L
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$79.99 -
7/8in Master Cyl. Repair Kit 76-Series 76-875RK
TILTON
$29.75Master cylinder degradation compromises brake feel and safety—replacing worn seals and internal components restores consistent pedal pressure and responsiveness. This complete rebuild kit eliminates the need to source individual components separately,...TIL76-875RK- SKU:
- TIL76-875RK
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$29.75
