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Product Summary

Front Position, 12.19 Inch Rotor Diameter, Natural

  • Specially designed for use with 1963-87 GM Pickup modified spindles
  • HP rotors are close tolerance machined with smooth turned pad faces - additional mass of the HP series extends service life
  • Slider bolts, brackets, and mounting hardware included
  • 7/16"-20 fluid inlet size allows for use with a variety of adapters or banjo fittings
  • Low metalic compound is perfect for street vehicles looking for additional stopping power

Key Specs

PositionFront
Bolt PatternMulti: 5 on 4.5" | 4.75" | 5"
Rotor Diameter12.19 Inch
Rotor TypeVented
Caliper PistonsOne

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Details

Upgrade your lowered C10 stopping power with these economy disc brake kits from Speedway Motors.

  • Specially designed for use with 1963-87 GM Pickup modified spindles
  • Recommended for use with 83583114201 or 83583114202 spindles
  • Complete kit includes rotors, calipers, pads, mounting brackets and hardware

 

Rotors

  • HP rotors are close tolerance machined with smooth turned pad faces
  • The additional mass of the HP series extends service life on heavier competition vehicles and other severe duty applications
  • The base model for every day use

 

Calipers

  • 2.375" single piston
  • Shielded bottom inlet
  • No core charge required
  • 7/16"-20 inlet
  • 5-1/2" Mount Spacing
  • Can be used with brake hoses from Pre-1978 GM intermediate cars
  • Utilizes GM metric style D154 brake pads

 

Brake Pads

  • Features a low metallic compound for long life and excellent street performance

Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.

 

Charts

Specifications

KEY SPECS
MFG. Part #91032001
BrandSpeedway Motors
PositionFront
Bolt PatternMulti: 5 on 4.5" | 4.75" | 5"
Rotor Diameter12.19 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Spindle TypeChevy Custom
Rotor StylePlain Face
Front Rotor IncludedYes
Front Rotor Diameter12.19 Inch
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedNo
Rear Rotor IncludedNo
GENERAL
Bore Size2.38"
Rotor Thickness.81"
Stud Diameter.52"
Sold in QuantityKit
NotesPads are bonded construction.
Offset1.91"
Rotor FinishPlain
Rotor Material TypeCast Iron
Vane Count32 Straight Vane
Hat FinishNatural