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Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • Upgrade your '63-'70 Chevy pickup to disc brakes and gain the advantage of a more common 5 on 4 3/4" GM midsize passenger car bolt circle
  • Requires wheel change
  • Kit includes 11" rotors, GM calipers, caliper brackets, bearings, seals, spindle nuts dust caps, banjo bolts, brake hoses, 9 Inch single diaphragm brake booster, master cylinder, disc/drum proportioning valve, and mounting hardware.
  • Recommended brake line: 3/16" steel
  • The new 11" rotors fit on your stock drum brake spindles

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 91006366 Details

This kit allows you to upgrade your 1963-1966 Chevy pickup to disc brakes and gain the advantage of a more common 5-on-4.75" GM midsize passanger car bolt circle. A wheel change is required, but you want custom 5-lug wheels on your truck anyway, right? The new 11" rotors fit on your stock drum brake spindles.

Kit includes 11" rotors, GM calipers, caliper brackets, bearings, seals, spindle nuts, dust caps, banjo bolts, brake hoses, 9" single diaphragm brake booster, master cylinder, disc/drum proportioning valve, and mounting hardware.

For 1/2-ton truck usage only. 

Charts

Specs

  • Rotor Diameter:  11"
  • Caliper Piston Diameter:  2.8"
  • Caliper Inlet:  10 mm
  • Booster Type:  Single Diaphragm
  • Booster Diameter:  9"
  • Proportioning Valve Type:  Disc Front/Drum Rear
  • Proportioning Valve Ports:  3/8"-24 Front, 9/16"-18 Rear
  • Recommended Brake Line:  3/16" Steel

Speedway Motors 91006366 Specifications

KEY SPECS
MFG. Part #91006366
BrandSpeedway Motors
PositionFront
Bolt Pattern5 on 4.75"
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor ShapeRound
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 IncludedYes
Brake Booster IncludedYes
Rear Rotor IncludedNo
GENERAL
Rotor Thickness1.05"
Thread Pitch10 mm
Centerline of Holes7.00"
Sold in QuantityKit
NotesIncludes master cylinder, booster, calipers, brake hoses, bearings, seals, and hardware.
Rotor Material TypeSteel