Upgrade your GM 10- and 12-bolt rear axle with this all-in-one disc brake conversion kit, engineered for classic midsize GM vehicles and designed to deliver superior performance, ease of installation, and long-term reliability.
Key Features & Highlights
- Zinc-coated drilled & slotted rotors: Enhanced heat dissipation, corrosion resistance, and improved stopping power.
- 5-lug bolt patterns supported: Compatible with 5x4.5", 5x4.75", and 5x5" wheels.
- Black powder-coated bolt-on caliper brackets: Rugged, stylish, and no welding required for standard flange housings.
- Silver zinc-coated or black powder-coated GM metric single-piston calipers with pads included (e-brake optional): Match factory-style braking for smooth, reliable stopping power.
- Stainless steel brake lines: Pre-plumbed or supplied for a durable, maintenance-free installation.
- Full hardware kit included: Brackets, rotors, calipers, pads, lines, and mounting bolts for a fast, hassle-free conversion.
- Bolt-on, no welding required: Typical install time of just a few hours.
Fitment & Compatibility
This kit fits GM midsize rear ends including:
- Buick Skylark (1964–1977)
- Chevy Chevelle (1964–1973)
- Chevy Nova/Chevy II (1964–1979)
- Chevy El Camino (1964–1977)
- Camaro (1967–1969)
- Monte Carlo (1970–1977)
- Oldsmobile 442 & Cutlass (1964–1977)
- Pontiac GTO, LeMans, Tempest (1964–1973, 1964–1977, 1964–1970 respectively)
Important: Does not fit full-size GM cars (Bel Air, Impala), pickups, 7.5" 10-bolt axles, or rear ends with staggered shock mounting.
Axle Flange Requirements
Ensure your axle meets these critical dimensions for bracket fitment:
- Top bolt holes: 3-1/8" center-to-center
- Bottom bolt holes: 2-11/16" center-to-center
- Vertical spacing: 2-7/16" between top and bottom bolt centers
Why Choose This Kit?
- Superior braking performance: Modernized stopping power over stock rear drums for vintage vehicles.
- Bolts directly to existing housing: No fabrication or welding needed.
- Includes GM metric calipers, pads, brake lines, and premium rotor hardware: Saves additional purchases.
- Flexible wheel options: Thanks to multi-pattern bolt spacing.
- Clean, corrosion-resistant finish: Zinc plating and black powder coating.
Kit Contents
- Zinc-coated drilled & slotted rotors (vented, 11.25" diameter)
- Multi-pattern rotor bolt configuration (5x4.5", 5x4.75", 5x5")
- Black powder-coated bolt-on caliper brackets
- Silver zinc-coated or black powder-coated GM metric single-piston calipers with pads, optional e-brake calipers
- Optional e-brake cables
- Stainless steel brake lines
- Full set of installation hardware, including bolts and mounting components
Note Before Ordering
- Not compatible with full-size Chevy/GMC cars (Biscayne, Bel Air, Impala). Alternative kit available here.
- Not compatible with pickup truck rear ends, 7.5" 10-bolt, or staggered-shock housings. Contact us for special orders.
- Confirm your flange meets listed dimensions before purchasing.
