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Part # 91031943

Mustang II Complete 11 In Front Disc Brake Kit, 5 x 4-3/4 GM BP

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  • Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to this kit with 11" rotors with powerful GM single piston calipers
  • No machining required making this a true bolt on upgrade
  • Fits 1974-1978 Mustang II and 1974-1980 Pinto and Bobcat as well as hot rods with Mustang II suspension

$395.99

kit

In Stock

$415.85

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Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to this kit with 11" rotors with powerful GM single piston calipers
  • No machining required making this a true bolt on upgrade
  • Fits 1974-1978 Mustang II and 1974-1980 Pinto and Bobcat as well as hot rods with Mustang II suspension
  • Rotors have 5 on 4 3/4" bolt pattern to allow the use of GM bolt pattern wheels
  • Detailed instructions are included to simplify installation

Comes as a Kit

Key Specs

MFG. Part #91031943
BrandSpeedway Motors
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented

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Details

Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to 11" rotors with powerful single piston GM midsize floating calipers. Kit requires no machining. For use on 1974-1980 Pinto, Bobcat and Mustang II factory spindles. 

GM bolt pattern 5 on 4-3/4" (increases track width 1" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.

Charts

Specifications

KEY SPECS
MFG. Part #91031943
BrandSpeedway Motors
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented
GENERAL
Bolt Pattern5 on 4.75"
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor Thickness1.05"
Rotor ShapeRound
Stud Diameter.44"
Stud Length.80"
Thread Pitch7/16"-20
Centerline of Holes7.00"
FinishNatural
Hardware IncludedYes
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.
Rotor Material TypeCast Iron
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Rear Rotor IncludedNo
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo