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Complete Front & Rear Power Disc Brake Conversion Kit Fits Select 1964-1972 Buick, Chevrolet, Oldsmobile & Pontiac A-Body Models
InfoVehicle Info Needed
JEGSPART NUMBER: 555-630123

Complete Front & Rear Power Disc Brake Conversion Kit Fits Select 1964-1972 Buick, Chevrolet, Oldsmobile & Pontiac A-Body Models

$1,10999$1220.99You Save$111.00
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ShippingShips on 05/12/2027
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Items You Need

1003793 DOT 3 Brake Fluid [12 oz.]

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Complete Front and Rear Power Disc Brake Conversion Kits w/Standard Rotors
Power Disc Brake Kit
  • 1964-1972 Buick, Chevy, Olds, Pont. A-Body
  • Includes:
    • Master Cyl.
    • Proportioning Valve
    • 11 in. Delco Stamped Pwr Booster
    • Stock Hgt Spindles
    • 11 in. Rotors
    • RAW Brake Calipers w/Pads
    • Mounting Hardware

      555-630123 Complete Front and Rear Power Disc Brake Conversion Kit Features:

      • (1) 1 1/8 in. Bore Cast Iron Master Cylinder
      • (1) O.E.M. Style 11 in. Diameter Delco Moraine Stamped Gold Zinc Power Brake Booster with Firewall Brackets Riveted on, Not Bolt On
      • (1) Brass Left Mount Proportioning Valve Kit for Disc/Disc Brakes with (2) 3/8 in.-24 Ports for Front Brakes and (1) 9/16 in.-18 Port for Rear Brakes
      • (1) Brake Light Warning Switch
      • (2) Front 11 in. Diameter Standard Vented Brake Rotors with 5x4.75 Wheel Bolt Pattern and 7/16 in. studs
      • (2) Rear 11 in. Diameter Standard Vented Brake Rotors with Dual Wheel Bolt Pattern, 5x4.75 in. for 7/16 in. studs, 5x4.5 in. for 1/2 Studs
      • (2) Front Cast Iron GM Large Bore Single Piston Calipers Pre-Loaded with D54 Semi-Metallic Pads
      • (2) Rear Cast Iron GM Large Bore Single Piston Calipers w/Self Adjusting E-Brake and Pre-Loaded with D54 Semi-Metallic Pads
      • (2) Rear Emergency Brake Cables
      • (4) Front and rear Rubber Brake Hoses with Banjo Bolts
      • (2) Front Gold Plated Caliper Brackets
      • (2) Rear Natural Finish Caliper Brackets
      • (2) Front Silver Plated Backing Plates
      • (2) Stock Height Spindles
      • (2 Sets) Front Wheel Bearings, Seals, and Dust Caps
      • (2) Spindle Nuts and Washers
      • Mounting Hardware

      JEGS 555-630123 Complete Front and Rear Power Disc Brake Conversion Kit Notes:

      • Maximum Axle Hub Diameter of 6.11 in. to Fit Inside Rotor Hat
      • 2.786 in. max Axle Flange Register with .050x45-degree Chamfer (See Illustration Above)
      • Does Not Fit 14 in. Wheels
      • Must use 15 in. Diameter or Larger Wheels for Disc Brake Applications.

      • Complete Disc Brake Upgrades that Improve Braking Performance

      If you are experiencing brake fade or want more stopping power, JEGS Complete Disc Brake Conversion Kits include everything you require for conversion. These kits are completely assembled and ready to install, available in standard and premium versions. The premium versions include cross-drilled and slotted rotors and braided stainless steel brake lines.

      All-Wheel Kits Include Calipers, Rotors, Brackets, Flanges, E-Brake Cables, Brake Hoses, Master Cylinder, Power Brake Booster, Proportioning Valve Kit, and Mounting Hardware.

    Part TypeBrake Conversion Kit
    Product LineJEGS GM Front and Rear Combo Disc Brake Conversion Kits
    BrandJEGS
    Package Height26.0
    Package Width28.0
    Package Length30.0
    Weight180.0 PG
    Part CategoryPerformance Parts
    Spindle FinishRAW (Natural Cast Iron)
    Front Rotor ConstructionVented
    Rear Caliper FinishRaw (Natural Cast Iron)
    Brake Hose Outer MaterialRubber
    Brake Booster FinishGold Zinc
    Brake Booster TypeSingle Vacuum diaphragm
    Front Caliper IncludedYes
    Master Cylinder Bore Size1.125 in (28.575 mm)
    Minimum Recommended Wheel Diameter15 in (381 mm)
    Brake Booster Diameter11 in (279.4 mm)
    Brake Pedal Rod Extension IncludedYes
    Brake Hoses IncludedYes
    Disc Brake Caliper (Front) Piston QuantityOne
    Parking Brake ProvisionYes
    Rear Rotor Diameter11.00 in./279.4mm
    Master Cylinder Cap IncludedYes
    Wheel Bolt Pattern5 x 4.75 (120.65 mm)
    Rear Caliper MaterialCast iron
    Master Cylinder IncludedYes
    Dust Shield IncludedYes
    Master Cylinder TypePower
    Rear Rotor ConstructionVented
    Rear Rotor IncludedYes
    Dust Shield MaterialStamped Steel
    PositionFront and Rear
    Master Cylinder FinishNatural
    Front Rotor StyleSolid surface
    Brake Pads IncludedYes
    Rear Rotor StyleSolid surface
    Disc Brake Caliper (Rear) Piston QuantityOne
    QuantitySold as an Assembly
    Mounting Hardware IncludedYes
    Seals IncludedYes
    Spindle MaterialForged steel
    Amount Of DropStock
    Mounting Brackets IncludedYes
    Front Caliper MaterialCast iron
    Brake Booster MaterialSteel
    Master Cylinder MaterialCast Iron
    Front Spindles IncludedYes
    Front Rotor Diameter11.00 in./279.4mm
    Front Caliper FinishRAW (Natural Cast Iron)
    Part FitmentDirect Fit
    Parking Brake StyleMechanical caliper
    Front Rotor IncludedYes
    Brake Pad MaterialSemi-metallic
    Proportioning Valve IncludedYes
    Rear Caliper IncludedYes
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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