Specifications:

Position: Rear

Bolt Pattern: 5 on 4.5" | 4.75"

Rotor Diameter: 11.25 Inch

Rotor Type: Vented

Caliper Pistons: One

OEM Part Number:

91031924

Fit For the Following Models:

For GM 10 and 12 Bolt Rear Ends in Mid Size Cars. Will not fit full size cars, pickups, or 7.5" 10 bolt axles.

This kit will fit 10 & 12 Bolt (Non-Staggered Shock) rear ends from:

For 1964-1977 Buick Skylark

For 1964-1973 Chevy Chevelle

For 1964-1979 Chevy Nova/Chevy II

For 1964-1977 Chevy El Camino

For 1967 Chevy Camaro

For 1970-1977 Chevy Monte Carlo

For 1964-1971 Oldsmobile 442

For 1964-1977 Oldsmobile Cutlass

For 1964-1973 Pontiac GTO

For 1964-1977 Pontiac LeMans

For 1964-1970 Pontiac Tempest

Note: Please compare your item carefully with photo and OE Number to avoid mistake!!!

Note:

Mounting Flange Requirements:

The backing plate (housing flange) must have a 3-1/8" center-to-center spacing between the top two bolt holes

A 2-11/16" center-to-center spacing between the bottom two bolt holes

A 2-7/16" vertical distance from the center of the top bolt hole to the center of the bottom bolt hole

Important Fitment Note:

This disc brake conversion kit does not fit all 10-bolt or 12-bolt rear axles. It is not compatible with full-size GM car axles, such as those on Biscayne, Bel Air, or Impala, and does not fit rear axles from GM pickup trucks.