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Product Summary

Front Position, Round Rotor Shape, Vented Rotor Type

  • Originally used on 1973 to 1993 Ford F-150 this rotor works well to retrofit on to 1937 to 1948 Ford spindles
  • When used with basic brake kit 91631909 and bearing and seal kit 91031069 this easily converts early Ford spindles to disc brakes
  • 5 on 5-1/2" bolt pattern allows the use of early Ford wire wheels
  • Premium cast iron vented rotor construction dissipates heat to reduce or eliminate brake fade
  • 1/2"-20 thread wheel studs come installed in this rotor to make installation quick and easy

Key Specs

PositionFront
Rotor ShapeRound
Rotor Diameter11.75 Inch
Rotor TypeVented
Rotor StylePlain Face

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Speedway Motors 91031068 Details

  • Originally used on 1973 to 1993 Ford F-150 this rotor works well to retrofit on to 1937 to 1948 Ford spindles
  • When used with basic brake kit 91631909 and bearing and seal kit 91031069 this easily converts early Ford spindles to disc brakes
  • 5 on 5-1/2" bolt pattern allows the use of early Ford wire wheels
  • Premium cast iron vented rotor construction dissipates heat to reduce or eliminate brake fade
  • 1/2"-20 thread wheel studs come installed in this rotor to make installation quick and easy

Speedway Motors 91031068 Specifications

KEY SPECS
MFG. Part #91031068
BrandSpeedway Motors
PositionFront
Rotor ShapeRound
Rotor Diameter11.75 Inch
Rotor TypeVented
Rotor StylePlain Face
Rotor Material TypeCast Iron
GENERAL
Speedway Motors Catalog Part #910-31068
Rotor FinishNatural
Rotor Thickness1.2"
Bolt Pattern5 on 5.5"
Flange Diameter2.01"
Stud Length1.05"
Stud Diameter0.5"
Thread Pitch1/2"-20
Weight27.7 lbs.
Sold in QuantityEach
NotesOriginally used on front of most Ford F-150 2WD from '73 to approx. '93 (Aimco 5456, Bendix 141067). Accepts grease cap Motormite/Help # 13973 or Dorman # 616-503.