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 Ultralite HP 30 Rotor 11.00 x .810 6 on 6.25in 160-5840
WILWOOD
$129.25If you're running serious track time or competition driving, your brakes need to dissipate heat consistently and perform predictably lap after lap. The Wilwood Ultralite HP 30 Rotor delivers the thermal stability and durability required for high-demand...WIL160-5840- SKU:
- WIL160-5840
- Availability:
- Ships Same Business Day
- Weight:
- 7.89 LBS
- MFG Part #:
- 160-5840
$129.25 -
Wilwood GT48 12.88" x 1.25" Driver Side Slotted Brake Rotor 12 x 8.75" Bolt Pattern 160-4565
WILWOOD
$330.77Braking performance under extreme conditions demands a rotor that can dissipate heat consistently while maintaining predictable engagement—the Wilwood GT48 delivers both. Built from a proprietary iron alloy and engineered with an asymmetrical slot...WIL160-4565- SKU:
- WIL160-4565
- Availability:
- Ships Same Business Day
- Weight:
- 13.28 LBS
- MFG Part #:
- 160-4565
$330.77 -
Wilwood GT48 12.88" x 1.25" Directional Slotted Brake Rotor 12 x 8.75" Bolt Pattern 160-4564
WILWOOD
$330.77The Wilwood GT48 Directional Slotted Rotor delivers the thermal management and stopping power required for sustained high-performance driving and racing applications. Its asymmetrical slot pattern promotes consistent pad engagement and temperature...WIL160-4564- SKU:
- WIL160-4564
- Availability:
- Ships Same Business Day
- Weight:
- 13.40 LBS
- MFG Part #:
- 160-4564
$330.77 -
Wilwood Ultralite 30 Vented Brake Rotor 10.25" x 0.75" 6 x 5.5" Bolt Pattern 160-3747
WILWOOD
$110.20When you're pushing your machine to the limit on track, brake performance becomes non-negotiable. The Wilwood Ultralite 30 Vented Brake Rotor delivers the thermal management and lightweight construction you need to maintain consistent stopping power...WIL160-3747- SKU:
- WIL160-3747
- Availability:
- Ships Same Business Day
- Weight:
- 6.14 LBS
- MFG Part #:
- 160-3747
$110.20 -
Wilwood Ultralite 32 12.19" x 1.25" Driver Side Brake Rotor 8 x 7.62" Bolt Pattern 160-2901
WILWOOD
$123.45If you're running a high-performance or dirt racing setup, brake cooling and rotational mass directly impact lap times and fade resistance. The Wilwood Ultralite 32 delivers both through its premium iron alloy construction and efficient 32-vane design,...WIL160-2901- SKU:
- WIL160-2901
- Availability:
- Ships Same Business Day
- Weight:
- 10.54 LBS
- MFG Part #:
- 160-2901
$123.45 -
Wilwood Ultralite 32 12.19" x 1.25" Passenger Side Brake Rotor 8 x 7.62" Bolt Pattern 160-2900
WILWOOD
$123.45When you're pushing your vehicle to the limit on track or dirt, brake fade isn't an option—it's a failure point. The Wilwood Ultralite 32 rotor delivers the thermal management and consistent stopping power you need through extended sessions, thanks to...WIL160-2900- SKU:
- WIL160-2900
- Availability:
- Ships Same Business Day
- Weight:
- 10.44 LBS
- MFG Part #:
- 160-2900
$123.45 -
Wilwood Ultralite 32 11.75" x 1.25" Brake Rotor 8 x 7" Bolt Pattern 160-2898
WILWOOD
$69.42If you're running high-performance or dirt racing applications, brake thermal management directly impacts your stopping power and consistency lap after lap. The Wilwood Ultralite 32 delivers the straight-vane heat dissipation you need without the weight...WIL160-2898- SKU:
- WIL160-2898
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- MFG Part #:
- 160-2898
$69.42 -
Wilwood Ultralite 32 Directional Vane Rotor 12.19 x 1.25 8 x 7.00 WIL160-2895
WILWOOD
$117.99If you're serious about braking performance on the track or in dirt racing, thermal management is non-negotiable. The Wilwood Ultralite 32 Directional Vane Rotor dissipates heat efficiently under sustained high-speed braking, keeping your stopping power...WIL160-2895- SKU:
- WIL160-2895
- Availability:
- Ships Same Business Day
- Weight:
- 10.52 LBS
- MFG Part #:
- 160-2895
$117.99 -
Wilwood Ultralite 32 Vented Brake Rotor 12.19" x 1.25" 8 x 7.000" Bolt Pattern 160-2894
WILWOOD
$117.99When you're pushing your vehicle to its limits on the track or dirt course, brake fade isn't an option—it's a failure point. The Wilwood Ultralite 32 Vane Rotor delivers the thermal management and structural integrity you need to maintain consistent...WIL160-2894- SKU:
- WIL160-2894
- Availability:
- Ships Same Business Day
- Weight:
- 10.44 LBS
- MFG Part #:
- 160-2894
$117.99 -
Wilwood GT 48 SPC 37 LH 11.75 x 1.21 8 on 7in B/C 160-13500
WILWOOD
$152.45When your braking system is subjected to the extreme thermal and mechanical demands of competitive motorsports, margin for error disappears. The Wilwood GT 48 SPC 37 rotor is engineered to eliminate fade, distortion, and inconsistency through proprietary...WIL160-13500- SKU:
- WIL160-13500
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- MFG Part #:
- 160-13500
$152.45 -
Wilwood GT 48 Passenger Side Directional Slotted Brake Rotor 11.75 x 1.21 8 on 7.00 160-13499
WILWOOD
$152.45When you're braking hard at the limit, heat dissipation and rotor stability are the difference between consistent performance and fade. The Wilwood GT 48 combines Spec-37 iron alloy with an asymmetrical slot pattern to manage thermal stress while...WIL160-13499- SKU:
- WIL160-13499
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- MFG Part #:
- 160-13499
$152.45 -
Wilwood HD48 SPC37 LH 11.75 x 1.21 8 on 7.00 160-13498
WILWOOD
$125.76When you're pushing your vehicle to the limit—whether on the track or the street—brake performance is non-negotiable. The Wilwood HD48 SPC37 LH rotor delivers the thermal management and stopping power you need through its directional vane design and...WIL160-13498- SKU:
- WIL160-13498
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
- MFG Part #:
- 160-13498
$125.76 -
Wilwood HD48 SPC37 RH 11.75 x 1.21 8 on 7.00 160-13497
WILWOOD
$125.76When you're pushing your vehicle to the limit on track or street, your braking system is your most critical safety component. The Wilwood HD48 SPC37 RH rotor delivers the thermal stability and consistent stopping power you need under extreme conditions,...WIL160-13497- SKU:
- WIL160-13497
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- MFG Part #:
- 160-13497
$125.76 -
Wilwood GT36 12.19" x 0.810" Driver Side Directional Slotted Rotor 8 x 7.620" Bolt Pattern 160-12294
WILWOOD
$254.67When you're pushing your vehicle to the limit on the track, brake performance can't be an afterthought. The Wilwood GT36 rotor combines Spec-37 iron construction with an asymmetrical slot pattern to deliver consistent stopping power under extreme...WIL160-12294- SKU:
- WIL160-12294
- Availability:
- Ships Same Business Day
- Weight:
- 10.37 LBS
- MFG Part #:
- 160-12294
$254.67 -
Wilwood GT36 12.19" x 0.810" Passenger Side Slotted Rotor 160-12293
WILWOOD
$254.67High-performance braking demands rotors engineered to dissipate heat under extreme conditions while maintaining consistent pad engagement—the Wilwood GT36 delivers both through its directional slotted design and Spec-37 iron construction. Whether you're...WIL160-12293- SKU:
- WIL160-12293
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- MFG Part #:
- 160-12293
$254.67 -
Wilwood GT 36 12.19" x 0.810" Left-Hand Brake Rotor 8 x 7.00" Bolt Pattern 160-12292
WILWOOD
$198.20When you're pushing your vehicle to its limits on track or street, brake performance is non-negotiable. The Wilwood GT 36 driver-side rotor delivers the stopping power and thermal stability you need, with a directional slotted design engineered to...WIL160-12292- SKU:
- WIL160-12292
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- MFG Part #:
- 160-12292
$198.20 -
Wilwood GT 36 Passenger Side Brake Rotor 12.19" x 0.81" x 8 on 7" WIL160-12291
WILWOOD
$198.20When you're pushing your vehicle to the limit, brake performance can't be an afterthought—it's the foundation of safe, controlled deceleration under extreme conditions. The Wilwood GT 36 rotor delivers the thermal stability and pad engagement you need...WIL160-12291- SKU:
- WIL160-12291
- Availability:
- Ships Same Business Day
- Weight:
- 10.60 LBS
- MFG Part #:
- 160-12291
$198.20 -
Wilwood GT36 SPC37 LH 11.75 x .810 8 on 7in 160-12286
WILWOOD
$158.56Stop relying on worn or inadequate braking solutions—the Wilwood GT36 SPC37 delivers the thermal management and stopping precision demanded by serious track applications. The directional slotted design actively pulls heat away from the friction zone...WIL160-12286- SKU:
- WIL160-12286
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- MFG Part #:
- 160-12286
$158.56 -
Wilwood GT36 SPC37 RH 11.75 x .810 8 on 7in Brake Rotor 160-12285
WILWOOD
$158.56When you're pushing your brakes to the limit on the track or demanding consistent stopping power in high-performance applications, rotor quality separates reliable deceleration from catastrophic failure. The Wilwood GT36 SPC37 delivers the thermal...WIL160-12285- SKU:
- WIL160-12285
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
- MFG Part #:
- 160-12285
$158.56 -
Wilwood GT 48 12.19" x 1.25" Driver Side Directional Slotted Brake Rotor 160-11840
WILWOOD
$220.50If you're pushing your braking system to its limits on track or tackling aggressive street driving, thermal management becomes non-negotiable. Wilwood's GT 48 rotor dissipates heat faster than standard rotors, reducing fade and maintaining consistent...WIL160-11840- SKU:
- WIL160-11840
- Availability:
- Ships Same Business Day
- Weight:
- 13.61 LBS
- MFG Part #:
- 160-11840
$220.50
