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: Offer 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 installation on standard flange housings.
- Black powder-coated GM metric single‑piston e-brake calipers with pads included: Match factory-style braking and deliver smooth, reliable stopping power.
- Stainless steel brake lines: Pre‑plumbed or supplied for a durable, maintenance‑free install.
- Full hardware kit included: Brackets, rotors, calipers, pads, lines, and mounting bolts for fast, hassle-free conversion.
- Bolt‑on, no welding required: Typical install time is just a few hours.
Fitment & Compatibility
This kit fits GM midsize rear ends including:
- Buick Skylark (1964–77)
- Chevy Chevelle (1964–73)
- Chevy Nova / Chevy II (1964–79)
- Chevy El Camino (1964–77)
- Camaro (1967–69)
- Monte Carlo (1970–77)
- Oldsmobile 442 & Cutlass (1964–77)
- Pontiac GTO, LeMans, Tempest (1964–73, 1964–77, 1964–70 respectively)
Important: Does not fit full-size GM cars (e.g. 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 your existing housing: No fabrication or welding needed.
- Includes GM metric calipers, pads, brake lines, and premium rotor hardware: Saves additional purchases.
- Offers flexible wheel options: Multi-pattern bolt spacing supports various wheel choices.
- 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
- Black powder-coated GM metric e-brake single‑piston calipers with pads (optional: e-brake cables available)
- 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 (e.g. 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 ordering options.
- Confirm your flange meets the listed dimensions before purchasing.
