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Product Summary

Front Position, 5 on 5.5" Bolt Pattern, Natural

  • Upgrade to big 11 3/4" rotors on your '37-'48 Ford car or '37-'47 Ford 1/2 ton pickup spindles and retain the original 5 on 5 1/2" bolt circle
  • Wheels must have 3-7/16" center hole and be disc brake compatible
  • Will work with spindles having either original steering arms or flat steel steering arms. Will NOT work with FORGED aftermarket steering arms
  • Features 1971-76 Impala calipers with 2.81" bore for increased stopping performance
  • Everything included to install at the wheel with exception of spindle nut kit sold separately; Pt# 910616004

Comes as a Kit

Key Specs

PositionFront
Bolt Pattern5 on 5.5"
Rotor Diameter11.75 Inch
Rotor TypeVented
Caliper PistonsOne

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Speedway Motors 91031909 Details

This complete disc brake kit easily installs big 11-3/4" rotors on your 1937-1948 Ford car or 1937-1947 Ford 1/2 ton pickup spindles while retaining the original 5 on 5-1/2" bolt circle.

This kit will work with spindles having either original steering arms or with flat steel steering arms. It will NOT work with forged aftermarket steering arms. Wheels must have 3-7/16" center hole and have been designed for disc brake applications. Will NOT work with early Ford factory wire or steel drum brake wheels. You will need to use a later disc brake steel wheel or aftermarket wheel.

Item Details

'Ford 11-3/4" rotors to ''37-''47 Ford 1/2 ton pickup & ''37-''48 Ford car spindles'

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Speedway Motors 91031909 Specifications

KEY SPECS
MFG. Part #91031909
BrandSpeedway Motors
PositionFront
Bolt Pattern5 on 5.5"
Rotor Diameter11.75 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor ShapeRound
Hardware IncludedYes
Front Rotor IncludedYes
Front Rotor Diameter11.75 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
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.
Front Suspension TypeStraight Axle