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R4500 Non-Adjustable Proportioning Valve, Disc/Drum
InfoVehicle Info Needed
RPCPART NUMBER: 707-R4500

R4500 Non-Adjustable Proportioning Valve, Disc/Drum

$11999
ShippingShips on Sep 17, 2026
Lowest PriceLowest Price Guarantee

Proportioning Valves
Non-Adjustable Proportioning Valve
  • For Disc/Drum Brake Conversions
  • Based on 1971-77 GM Design
  • Brass

    RPC R4500 Features:

    RPC proportioning valves are based on 1971-1977 GM units. This proportioning valve features a residual pressure valve, ensuring an even brake feel and proper fluid transfer. Made from high-quality brass engineered to meet or exceed OEM specifications.

    • Master Cylinder Inlet Port (Front Brakes): 1/2 in.-20
    • Master Cylinder Inlet Port (Rear Brakes): 7/16 in.-24
    • Outlet Ports (Front Brakes): 3/8 in.-24
    • Outlet Port (Rear Brakes): 9/16 in.-18
    • Part TypeBrake Proportioning Valve
    BrandRPC
    Package Height1.4
    Package Width6.1
    Package Length9.0
    Weight1.57 PG
    Part CategoryPerformance Parts
    Part FitmentUniversal
    Vendor Part NumberR4500
    Package Qty1
    Package TypeEA
    No Questions
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    Some parts are not legal for use in California or other states with similar laws / regulations
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