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Proportioning Valve W/Bracket & Lines Black Driver's Side, Firewall Mount, 1/2x20 & 9/16x18 Ports

CPP high-performance automotive parts for classic cars
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Part #
PVKS-BL1WW
In Stock
$99.00
2 or 4 Wheel Disc, Black Aluminum, Driver's Side, Firewall Mount, Black Bracket, 1/2x20 & 9/16x18 Master Ports
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Prop 65 warning
The CPP Proportioning Valve W/Bracket & Lines (Part Number PVKS-BL1WW) is designed for 2 or 4 wheel disc systems. It features a durable black aluminum construction. The valve mounts on the driver's side firewall. It includes a black bracket for secure installation. Compatible with 1/2x20 & 9/16x18 master ports.
More Information
Product Name Proportioning Valve W/Bracket & Lines Black Driver's Side, Firewall Mount, 1/2x20 & 9/16x18 Ports SKU PVKS-BL1WW
Material Aluminum Finish Black Anodized
Adjustable No Works With 2 Wheel Disc Yes
Works With 4 Wheel Disc Yes Bracket And Lines Included Yes
Brake Warning Light Switch Wire Included Yes Brake Light Switch Included No
Master Cylinder Line Size 9/16x18 Rear and 1/2x20 Front Bracket Finish Black Zinc
Warranty Yes Prop65 Yes
Brand CPP Mounting Location Side Mount Left Side
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Customer Questions
Does a 4 wheel disc need a different proportioning valve?
Not when you buy one of our CPP proportioning valves. Our proportioning valve will work with both disc/drum or disc/disc applications. 
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What does a brake proportioning valve do?
A brake proportioning valve regulates the brake fluid pressure between the front and rear brakes, ensuring balanced braking power.  
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What size fitting is the back of the proportioning valve?
The fitting size is 9/16-18" but we sell a kit that would accommodate any popular size adapter (part number CP2091) which includes 3/8-24", 7/16-24", and 1/2-20".
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Do I need a proportioning valve when upgrading from drum to disc?
Yes! A proportioning valve is needed to ensure the proper amount of brake fluid pressure is going to the front and rear wheels.  
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PVK instructions

This kit includes:

  1. Fixed

  2. P/N: 10880-BK

    • Description: Inv Fitting 3/16in Inv Plug Black
    • Quantity: 1

  3. P/N: STICKER-3

    • Description: Cpp Blue Dome Sticker (Ea)
    • Quantity: 1

  4. P/N: PV-24BBH

    • Description: Black Aluminum Proportioning Valve for 2 & 4 Wheel Disc
    • Quantity: 1

  5. P/N: 11782-B

    • Description: Prop Valve Bracket for Wilwood Master Cylinder
    • Quantity: 1

  6. P/N: PVL-S

    • Description: Proportioning Valve Lines to the Cylinder Driver's Side Firewall, 9/16 x 18 rear and 1/2 x 20 Front
    • Quantity: 1

  7. P/N: SP015130

    • Description: Proportioning Valve Wire, Sold as Each
    • Quantity: 1

  8. P/N: A1-2770

    • Description: 5/16in-18 Whiz Lock Nut
    • Quantity: 2

  9. P/N: S4-6C15B

    • Description: 5/16in-18 X 1-1/2in Ss Button Socket
    • Quantity: 2
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