GM 10 Bolt Rear Disc Brake Conversion Kit for 3 Bolt Flange Axles

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Upgrade your GM 10-bolt rear end with a high-performance rear disc brake conversion kit from LEED Brakes. Designed for G-Body, 3rd Gen Camaro, Firebird, and S10 models, this kit delivers superior stopping power, reliability, and safety while maintaining a factory-style fit. Each kit is engineered for bolt-on installation, requiring no modifications to your axle housing.

Direct-Fit Rear Disc Brake Conversion for GM 10-Bolt Axles

Our GM 10-bolt rear disc brake kits fit a variety of GM cars and trucks equipped with a 3-bolt flange axle, including:

1978-1987 GM G-Body (Buick Regal, Chevrolet Monte Carlo, Oldsmobile Cutlass, Pontiac Grand Prix)
1982-1992 Chevrolet Camaro & Pontiac Firebird (3rd Gen F-Body)
1983-1991 Chevrolet S10 & GMC Sonoma
Other GM models with a 10-bolt, 7.5" or 8.5" rear end

These drum-to-disc brake conversion kits provide powerful braking performance with precision-machined components for long-lasting durability.

Easy Installation – No Modifications Required

LEED Brakes' rear disc brake conversion kits are designed for bolt-on installation, requiring no cutting or modifications to your axle housing. Each kit includes factory-style parking brake provisions for seamless integration with stock or aftermarket parking brake cables.

Every 54mm single-piston caliper is zinc-plated for rust protection and undergoes individual quality testing to ensure optimal performance. With precision-machined mounting brackets and spacers, installation is straightforward and secure, making it an ideal upgrade for GM G-Body, S10, and 3rd Gen Camaro/Firebird owners.

Common Questions About GM 10-Bolt Rear Disc Brake Conversions

Will my stock master cylinder work with this kit?

In most cases, your stock master cylinder is compatible. However, modifications such as wheel size, axle swaps, weight changes, or power upgrades can affect brake performance and pedal feel. Our tech team can recommend master cylinders suited to your setup if needed.

Will my stock proportioning valve or distribution block work with this kit?

Yes! The included installation guide provides simple instructions for adjusting your proportioning valve, distribution block, or ABS block to function with your new rear disc brakes.

Need expert assistance? Call LEED Brakes at 716-852-2139, and our U.S.-based tech team will help you every step of the way.

Why Choose LEED Brakes?

100% bolt-on installation – no modifications required.
Pre-tested, high-quality calipers for reliable performance.
Multiple upgrade options, including MaxGrip XDS Rotors and stainless steel hoses.
Step-by-step instructions with live tech support available.

Upgrade your GM 10-bolt rear end today with LEED Brakes' rear disc brake conversion kit and experience modern braking performance for your classic GM muscle car or truck.

Standard Kit - 78-87 G Body & S10

Add the safety, reliability and performance of rear disc brakes to your GM Car or Truck with our drum to disc brake conversion. In this kit you will receive everything you need to mount single piston disc brakes to your rear axle. All components used in the LEED Brakes kits are new high quality, precision machined products with a zinc plated finish to reduce corrosion and extend the life of your brake system. The large 63.5mm piston along with the semi-metallic brake pads provided will give you all the clamping force and braking you need. The heavy duty parking brake caliper will allow you to use most stock and aftermarket parking brake cables to actuate your parking brake. Notes: Will require 15" or larger wheels*

MaxGrip XDS Rotors - 78-87 G Body & S10

As an upgrade to our standard rear disc brake kit you will receive our MaxGrip XDS Rotors and Stainless Steel Braided Hoses. The MaxGrip XDS Rotors are precision drilled and slotted to provide better cooling and gas dissipation for maximum grip. The rotors are coated with an OEM style Spray Zinc Finish which keeps the rotors clean and corrosion free. The stainless steel braided hoses provide increased protection against tearing or cutting from any debris you may encounter on the road.

MaxGrip XDS Rotors & Red Calipers - 78-87 G Body & S10

As an upgrade to our standard rear disc brake kit you will receive our Red Powder Coated Calipers,MaxGrip XDS Rotors and Stainless Steel Braided Hoses. The MaxGrip XDS Rotors are precision drilled and slotted to provide better cooling and gas dissipation for maximum grip. The rotors are coated with an OEM style Spray Zinc Finish which keeps the rotors clean and corrosion free. The stainless steel braided hoses provide increased protection against tearing or cutting from any debris you may encounter on the road. The Red Powder Coated Calipers, outside of looking cool will also provide corrosion protection to keep your brake system looking and functioning like new.

MaxGrip XDS Rotors & Black Calipers - 78-87 G Body & S10

As an upgrade to our standard rear disc brake kit you will receive our Black Powder Coated Calipers,MaxGrip XDS Rotors and Stainless Steel Braided Hoses. The MaxGrip XDS Rotors are precision drilled and slotted to provide better cooling and gas dissipation for maximum grip. The rotors are coated with an OEM style Spray Zinc Finish which keeps the rotors clean and corrosion free. The stainless steel braided hoses provide increased protection against tearing or cutting from any debris you may encounter on the road. The Black Powder Coated Calipers, outside of looking cool will also provide corrosion protection to keep your brake system looking and functioning like new.