Menu

Shop

Garage

Cart

Account

Product Summary

GM 8.2 Inch 10-Bolt BOP, Rear Position, Natural

  • If you don't want to spend an arm and a leg on a rear disc brake kit but want the ease of a bolt on system then this is the kit for you!
  • Fits GM 10 and 12 bolt rear ends in mid size cars. Will not fit full size cars, pickups, or 7.5" 10 bolt axles
  • Includes two bolt-on caliper brackets, two vented rotors, two new GM metric calipers and hardware
  • Rotors have both 5 on 4-1/2" and 5 on 4-3/4" to accommodate a variety of wheels
  • Fits axle with a maximum flange diameter of 6-1/4" OD and brake register size of 2.78" or smaller

Comes as a Kit

Key Specs

MFG. Part #91031919
BrandSpeedway Motors
PositionRear
Rotor Diameter11.25 Inch
Rotor TypeVented

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

Details

If you dont want to spend an arm and a leg on a rear disc brake kit and still have to weld the bracket on, weve got you covered. This complete kit includes two bolt-on caliper brackets, two 11-1/4" vented rotors, two GM metric style calipers, brake pads and hardware.

  • Rotors have both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
  • Fits axle with a maximum flange diameter of 6-1/4" O.D.
  • 2.780" rotor center hole
  • Does not fit all 10 & 12 bolt axles. Check Application tab for details. 

Item Details

With non-emergency brake calipers.

Application

This kit will fit 10 & 12 Bolt rear ends from:

  • 1964-77 Buick Skylark
  • 1964-73 Chevy Chevelle
  • 1964-79 Chevy Nova/Chevy II
  • 1964-77 Chevy El Camino
  • 1967-69 Camaro
  • 1970-77 Chevy Monte Carlo
  • 1964-71 Oldsmobile 442
  • 1964-77 Oldsmobile Cutlass
  • 1964-73 Pontiac GTO
  • 1964-77 Pontiac LeMans
  • 1964-70 Pontiac Tempest

The housing flange must have:

  • 3-1/8" center-to-center distance for the top two bolt holes
  • 2-11/16" center-to-center distance for the bottom two bolt holes
  • 2-7/16" distance from the center of the top bolt to the center of the bottom bolt 

Note: This disc brake kit does NOT fit all 10 & 12 bolt rear axles. It does NOT fit full size car (Biscayne, Bel Air, Impala) or pickup rear axles.

Charts

Specifications

KEY SPECS
MFG. Part #91031919
BrandSpeedway Motors
PositionRear
Rotor Diameter11.25 Inch
Rotor TypeVented
GENERAL
Bolt PatternDual: 5 on 4.5" | 4.75"
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor Thickness1.00"
Rotor ShapeRound
Rotor I.D.2.78"
Rotor Backspace2.30"
FinishNatural
Hardware IncludedYes
Sold in QuantityKit
NotesIncludes rotors, calipers, pads, hardware, and caliper brackets.
Rotor Material TypeCast Iron
Front Rotor IncludedNo
Rear Rotor IncludedYes
Front Caliper IncludedNo
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo