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 5×4.5″, 5×4.75″, and 5×5″ wheels.
- Black powder‑coated bolt‑on caliper brackets: rugged, stylish, and no welding required for installation on standard flange housings.
- Silver Zinc-coated GM metric single‑piston 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 for fast, hassle‑free conversion—brackets, rotors, calipers, pads, lines, and mounting bolts.
- Bolt‑on, no welding required, with a typical install time of just a few hours.
Fitment & Compatibility
This kit fits GM midsize rear ends including:
- Pontiac Firebird (1968-69)
- Buick Skylark (1964–77)
- Chevy Chevelle (’64–’73)
- Chevy Nova/Chevy II (’64–’79)
- Chevy El Camino (’64–’77)
- Camaro (’67–’69)
- Monte Carlo (’70–’77)
- Oldsmobile 442 & Cutlass (’64–’77)
- Pontiac GTO, LeMans, Tempest (’64–’73, ’64–’77, ’64–’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 over stock rear drums—modernized stopping power 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, saving you additional purchases.
- Offers flexible wheel options thanks to multi-pattern bolt spacing.
- Clean, corrosion-resistant finish from zinc plating and black powder coating.
Kit Contents
- Zinc‑coated drilled & slotted rotors (vented, 11.25″ diameter)
- Multi‑pattern rotor bolt configuration (5×4.5″, 5×4.75″, 5×5″)
- Black powder‑coated bolt‑on caliper brackets
- Silver Zinc-coated GM metric single‑piston calipers with pads (optional: e‑brake and/or 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). If your vehicle is one of these, this kit is available here.
- Not compatible with pickup truck rear ends, 7.5″ 10‑bolt, or staggered-shock housings here.
- Confirm your flange meets the listed dimensions before purchasing.
