Brake Systems
Circle Track Brake Systems at JJ Motorsports
Equip your circle track racer with complete brake systems and conversion kits from JJ Motorsports. Featuring front and rear disc setups for enhanced stopping power, heat dissipation, and control in demanding IMCA, USMTS, and dirt oval conditions, these kits include calipers, rotors, hubs, and hats for vehicles like Ford Mustang II spindles and GM Metric applications.
Shop trusted brands like Allstar Performance for reliable disc kits, Speedway Motors for hybrid options, and Right Stuff Detailing for premium conversions. Explore related categories such as Circle Track Brake Systems and Components for additional parts or Circle Track Brake Lines & Fittings for fluid system upgrades.
Top Circle Track Brake Systems
- Allstar Performance Disc Brake Kit Mustang II 5 on 5.0in BC ALL42030 – Front brake system for GM Metric; includes 1 piston caliper, 11.000 in plain iron rotor, offset hub; compatible with Ford Mustang II spindles.
- Allstar Performance Rear Disc Brake Kit ALL42019 – Rear brake system for GM Metric; features 1 piston caliper, 11.750 in plain iron rotor, offset hat; designed for 3 in axle tubes.
- Allstar Performance Disc Brake Kit Mustang II 5 on 4.5in BC ALL42024 – Front brake system for GM Metric; includes 1 piston caliper, 11.000 in plain iron rotor, offset hub; steel black finish, for Ford Mustang II spindles.
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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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 -
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
$399.99Qty in Cart: 0Quantity:Price:$399.99Subtotal: -
Ford 9in Rear Disc Brake Conversion ZDCRDM1
RIGHT STUFF DETAILING
$492.15If you're running a Ford 9-inch rear axle, drum brakes are costing you stopping power and heat management—especially under racing conditions or spirited driving. This disc brake conversion delivers significantly better thermal dissipation, modulation,...RSDZDCRDM1- SKU:
- RSDZDCRDM1
- Availability:
- Ships Same Business Day
- Weight:
- 54.90 LBS
$492.15 -
Ford 9in Rear Disc Brake Conversion ZDCRD02
RIGHT STUFF DETAILING
$660.00If you're running a Ford 9-inch rear axle and relying on drums, you're leaving performance on the table. This disc brake conversion eliminates brake fade under sustained track conditions and delivers consistent stopping power whether you're road racing...RSDZDCRD02- SKU:
- RSDZDCRD02
- Availability:
- Ships Same Business Day
- Weight:
- 59.85 LBS
$660.00 -
Disc Brake Conv. Drill/ Slot Blk PC & SS Hoses AFXWK01CS
RIGHT STUFF DETAILING
$830.25If you're running a classic GM A-Body and tired of inadequate stopping power, this disc brake conversion kit delivers the hydraulic performance and reliability your vehicle needs. Drilled and slotted rotors provide superior heat dissipation and...RSDAFXWK01CS- SKU:
- RSDAFXWK01CS
- Availability:
- Ships Same Business Day
- Weight:
- 49.00 LBS
$830.25 -
Rear Disc Conversion Kit GM 10/12 Bolt AFXRDM5
RIGHT STUFF DETAILING
$547.35Upgrading your rear brakes to disc conversion delivers superior stopping power, better heat dissipation, and more consistent performance under sustained track or high-load conditions compared to drum brakes. This kit provides a complete, bolt-on solution...RSDAFXRDM5- SKU:
- RSDAFXRDM5
- Availability:
- Ships Same Business Day
- Weight:
- 61.05 LBS
$547.35 -
Rear Disc Conv. Kit GM 10/12 Bolt No E-Brake AFXRDM1
RIGHT STUFF DETAILING
$547.35If you're running a classic or modified GM 10/12-bolt rear axle and still relying on drum brakes, you're compromising both safety and performance. This rear disc conversion kit replaces outdated drum brake systems with modern disc braking technology,...RSDAFXRDM1- SKU:
- RSDAFXRDM1
- Availability:
- Ships Same Business Day
- Weight:
- 60.70 LBS
$547.35 -
Allstar Performance Disc Brake Kit Mustang II 5 on 4.75in BC ALL42029
ALLSTAR PERFORMANCE
$384.99If you're running a Mustang II with aging or inadequate braking performance, this Allstar disc brake kit delivers the stopping power and reliability you need for both street and track applications. The 11-inch plain iron rotor paired with a single-piston...ALL42029- SKU:
- ALL42029
- Availability:
- Ships Same Business Day
- Weight:
- 67.27 LBS
$384.99 -
Allstar Performance Disc Brake Kit Mustang II 5 on 4.5in BC ALL42024
ALLSTAR PERFORMANCE
$369.99If you're running a Mustang II with aging or marginal braking performance, this Allstar disc brake kit delivers the stopping power and reliability you need for both street and track applications. The single-piston caliper design provides consistent,...ALL42024- SKU:
- ALL42024
- Availability:
- Ships Same Business Day
- Weight:
- 67.67 LBS
$369.99 -
Allstar Performance Rear Disc Brake Kit ALL42019
ALLSTAR PERFORMANCE
$219.99Upgrade your race car's stopping power with the Allstar Performance Rear Disc Brake Kit (ALL42019) — a bolt-on solution engineered for serious performance and reliability. Designed to fit GM Metric applications, this complete kit gives you everything you...ALL42019- SKU:
- ALL42019
- Availability:
- Ships Same Business Day
- Weight:
- 24.09 LBS
- MFG Part #:
- ALL42019
$219.99
