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Product Summary

Front Position, 6 on 5.5" Bolt Pattern, Natural

  • Upgrate to modern discs brakes using stock hubs
  • Features 1-1/4" thick, 12" rotors using GM full-floating calipers
  • Includes 8" single diaphram booster, master cylinder, and proportioning valve
  • Fits 1/2 ton Chevy and GMC trucks from 1947-54

Comes as a Kit

Key Specs

MFG. Part #4954CBK-6HK
BrandCPP
PositionFront
Rotor Diameter12 Inch
Rotor TypeVented

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Details

CPP 6-lug disc brake kit contains all you'll need to put modern discs on your stock 1/2 ton spindles, and uses your stock hub. The 1-1/4" thick, 12" rotor uses a GM full-floating caliper. The 8" single diaphragm booster master cylinder and proportioning valve mounts in the stock location. We recommend that you upgrade the stock ball bearings to tapered roller bearings when using this kit. Some stock wheels may rub the caliper, and it may be necessary to use a spacer. May not work with some stock wheels. Also, 1947-50 trucks may need to drill out lower spindle hole from 7/16" to 1/2".

  • Upgrate to modern discs brakes using stock hubs
  • Features 1-1/4" thick, 12" rotors using GM full-floating calipers
  • Includes 8" single diaphram booster, master cylinder, and proportioning valve
  • Fits 1/2 ton Chevy and GMC trucks from 1947-54

Specifications

KEY SPECS
MFG. Part #4954CBK-6HK
BrandCPP
PositionFront
Rotor Diameter12 Inch
Rotor TypeVented
GENERAL
Bolt Pattern6 on 5.5"
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor Thickness1.25"
Rotor ShapeRound
Hardware IncludedYes
Sold in QuantityKit
Mount TypeFloating
Rotor StylePlain Face
Front Rotor IncludedYes
Front Rotor Diameter12 Inch
Front Caliper IncludedYes
Front Caliper Piston Quantity1
Front Caliper MaterialCast Iron
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedYes
Brake Booster IncludedYes
Brake Lines IncludedNo
Parking Brake Cables IncludedNo
Brake Booster Diameter8 Inch
Brake Booster TypeVacuum Diaphragm Single
Brake Hoses IncludedYes
Master Cylinder Bail TypeDouble Bail Wire Zinc Lid
Proportioning Valve LocationBottom Mount
Proportioning Valve TypeFixed
Rear Rotor IncludedNo