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Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • This disc brake kit is for use with 1955 to 1957 Chevy 2" drop spindles part number 91034921
  • Premium 10-1/2" GM vented brake rotors for excellent stopping power and fade free performance
  • Includes 1978 to 1988 GM Metric calipers, brake pads, and slide bolts
  • New bearings, seals, and brake hoses are also provided in this kit
  • Instructions are provdied to simplify installation

Comes as a Kit

Key Specs

PositionFront
Bolt Pattern5 on 4.75"
Rotor Diameter10.50 Inch
Rotor TypeVented
Caliper PistonsOne

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Speedway Motors 91031992 Details

Disc brake kit features 10-½” GM vented cast iron rotors and 1978-88 GM metric single piston calipers.

  • 10-1/2" rotors (O.E. on 1979-81 GM Midsize: Malibu, Monte Carlo, Cutlass, Regal, etc.) 
  • 5 x 4-3/4" bolt pattern
  • Rubber Brake Lines
  • 1978-88 GM Metric Calipers
  • 7/16"-20 inlet fitting
  • Includes all hardware: pads, slide bolts, seals, inner & outer wheel bearings, spindle nuts, dust caps

Spindles sold separately.

Item Details

Spindles & Caliper Brackets are NOT included.  Available as part #s 910-34921 & 910-34927

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Speedway Motors 91031992 Specifications

KEY SPECS
MFG. Part #91031992
BrandSpeedway Motors
PositionFront
Bolt Pattern5 on 4.75"
Rotor Diameter10.50 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor ShapeRound
Hardware IncludedYes
Front Rotor IncludedYes
Front Rotor Diameter10.50 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 Thickness1.04"
Centerline of Holes5.50"
FinishNatural
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, and brake tabs.
Front Suspension TypeIFS
Rotor Material TypeCast Iron