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Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • Install 11" disc brakes on your 1947-1959 Chevy 1/2 ton pick-up axle for improved stopping performance
  • Designed for factory 1947 to 1959 Chevy 1/2-ton spindles only
  • Increases front track width 7/16" per side (7/8" total).
  • Features an 11" vented rotor with 5 on 4-3/4" wheel bolt pattern and 7/16" studs
  • Includes '69-'77 GM midsize calipers with a 2-3/4" piston, adding more stopping power over drum brakes

Comes as a Kit

Key Specs

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

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Speedway Motors 91031916 Details

Improve the stopping power of your 1947-1959 Chevy 1/2 ton pick-up without replacing the factory beam axle. Works with 15" or larger wheels with the GM 5-on-4.75" bolt pattern. Increases front track width 7/16" per side (7/8" total).

Kit Includes:

  • 11" brake rotor, 5 x 4-3/4"
  • Brake pads
  • GM Caliper slide bolts
  • 1969-77 calipers (7/16"-20 inlets)
  • Brake brackets
  • Rubber Brake Lines
  • Hardware
  • Seals
  • Inner bearing cups
  • Inner bearing cones
  • Spacers
  • Outer bearing cones
  • Dust caps
  • Instructions
Mount dimensions:
  • 3.182 " on center for horizontal mounting holes
  • 4.342 " on center for vertical mounting holes
Mount dimensions:
  • 3.182 " on center for horizontal mounting holes
  • 4.342 " on center for vertical mounting holes

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Speedway Motors 91031916 Specifications

KEY SPECS
MFG. Part #91031916
BrandSpeedway Motors
PositionFront
Bolt Pattern5 on 4.75"
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor ShapeRound
Hardware IncludedYes
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Rear Rotor IncludedNo
GENERAL
Rotor Thickness1.00"
Stud Diameter.44"
Stud Length.94"
Thread Pitch7/16"
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.