1962-1974 GM Vehicles Power Brake Master Cylinder & Booster Kit
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LEED BRAKESPART NUMBER: 633-1E1A3

1962-1974 GM Vehicles Power Brake Master Cylinder & Booster Kit

$34649$384.99You Save$38.50
ShippingShips on Sep 14, 2026
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GM Zinc 9 in. Boosters
Power Brake Master Cylinder & Booster Kit
  • 1962-1974 GM Vehicles
  • Cast Iron 1 1/8 in. Master Cylinder
  • Zinc 9 in. Booster
  • Zinc Disc/Disc Master Cylinder

    LEED Brakes 1E1A3 Features:

    New 9" zinc plated power brake booster, master cylinder & 4 Wheel Disc proportioning valve combo. This 9" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power brake booster is designed mount directly to your factory firewall. Also included in this kits is a new 1-1/8" bore master cylinder and proportioning valve equipped to work with 4 wheel disc brake applications.
    • New unit not remanufactured
    • Direct bolt in replacement for factory power brake booster
    • Includes brackets and pushrod
    • Optimize the Stopping Power of Your Brakes

      Leed Power Brake Master Cylinder and Booster Kits are designed to transform the manual brake system on your classic muscle car by increasing braking response while keeping OE-styling. Trust Leed to improve the performance and safety of your brakes.

    Part TypeBrake Master Cylinder and Booster Assembly
    Product LineLeed Power Brake Master Cylinder & Booster Kits
    BrandLEED BRAKES
    Package Height10.9
    Package Width12.2
    Package Length18.3
    Weight20.43 PG
    Part CategoryPerformance Parts
    Brake Booster FinishZinc
    Bracket IncludedYes
    Brake Booster TypeSingle Diaphragm
    Master Cylinder FinishNatural
    Housing MaterialSteel
    Brake Booster IncludedYes
    Master Cylinder Bore Size1-1/8 in
    Mounting Hardware IncludedNo
    Master Cylinder Port Quantity2
    Brake Booster Diameter9 in.
    Booster Housing Diameter9 in.
    Bleeder Hoses IncludedYes
    Brake Pedal Pushrod IncludedYes
    Master Cylinder MaterialCast Iron
    Master Cylinder Cap IncludedYes
    Booster Diaphragm TypeSingle
    Brake Lines IncludedFrom Master Cylinder to Valve
    Booster TypeVacuum
    Master Cylinder IncludedYes
    Part FitmentSemi Universal
    Vendor Part Number1E1A3
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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