Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • Upgrade your 1964-74 GM A/F/X body to an 11" disc brake for improved stopping performance
  • Kit includes stock style disc brake spindles and must be used with 15" or larger disc brake compatible wheels
  • Calipers feature larger 2-3/4" bore from 1969-77 GM midsize cars with 7/16"-20 inlet
  • New 11" vented iron rotor with original 5 on 4-3/4" wheel bolt pattern and 7/16" studs
  • Fits 1964-72 A-Body - Chevelle, Malibu, GTO, LeMans, 442, Cutlass, GS, Skylark; 1967-69 F-Body - Camaro, Firebird; 1968-74 X-Body - Nova, Apollo, Omega, Ventura

Comes as a Kit

Key Specs

Bolt Pattern5 on 4.75"
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne

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Speedway Motors 9108889 Details

Front disc brakes provide a significant improvement in braking performance versus the drum brakes your car came with. This complete front disc brake conversion kit fits 1964-72 GM A-Body, 1967-69 GM F-Body and 1968-74 X-Body and includes our disk brake spindle to complete the package.

Kit includes

  • (1) Stock height disk brake spindles, pair
  • (2) 11" diameter vented brake rotors, 5 on 4-3/4" bolt pattern
  • (1) '69-'77 GM style calipers (7/16"-20 inlets), Left and Right
  • (1) Caliper brackets, pair
  • (1) Organic compound brake pads, set
  • (1) Backing plates, pair
  • (1) Rubber brake lines, pair
  • (2) Outer wheel bearings
  • (2) Inner wheel bearings
  • (2) Inner wheel seals
  • (1) Set of hardware

Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.


Brake kit fits:

  • 1964-72 Chevelle, Malibu, El Camino
  • 1967-69 Camaro, Firebird
  • 1968-74 Nova, Ventura, Omega, Apollo
If you are going to use this kit on an A-Body Oldsmobile (Cutlass, 442), Pontiac (GTO, Lemans) or Buick (Skylark, GS), it will not directly bolt on to the original spindles even with grinding the .610" off the stud at the top. The lower bolt holes in the original spindles are 7/16" and the bracket and bolts 1/2". The upper bolt holes on the original spindles are 1/2" with the brackets and bolts being 5/8". You will need to replace or modify the spindles.


Speedway Motors 9108889 Specifications

MFG. Part #9108889
BrandSpeedway Motors
Bolt Pattern5 on 4.75"
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
Parking Brake ProvisionNo
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Spindle TypeFactory Disc Spindle
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedYes
Master Cylinder IncludedNo
Brake Booster IncludedNo
Rear Rotor IncludedNo
Rotor Thickness1.05"
Stud Diameter0.44"
Stud Length0.8"
Thread Pitch7/16"-20
Centerline of Holes7"
Sold in QuantityKit
Rotor Material TypeCast Iron