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

CPP high-performance automotive parts for classic cars
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Part #
PVKS-APVDB
In Stock
$119.00
2 or 4 Wheel Disc, Black Aluminum, Driver's Side, Firewall Mount Adjustable, 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-APVDB) offers 2 or 4 wheel disc compatibility. Made from black aluminum, it mounts on the driver's side firewall. Features adjustable settings and a black bracket. Includes 1/2x20 & 9/16x18 master ports.
More Information
Product Name Proportioning Valve W/Bracket & Lines Black Driver's Side, Firewall Mount Adjustable, 1/2x20 & 9/16x18 Ports SKU PVKS-APVDB
Material Aluminum Finish Gloss Black
Adjustable Yes Works With 2 Wheel Disc Yes
Works With 4 Wheel Disc Yes Bracket And Lines Included Yes
Brake Light Switch Included Yes 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 this Black Aluminum Proportioning Valve have a stop light switch?
This valve does not come with a stop light switch, nor can one be installed.
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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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APV-DB instructions (2)

This kit includes:

  1. Fixed

  2. P/N: PVL-APVDB

    • Description: Proportioning Valve Lines to the Cylinder Steel Lines, 9/16 x 18 rear and 1/2 x 20 Front
    • Quantity: 1

  3. P/N: K100083-B

    • Description: Prop Valve Side Mount Bracket Kit Black
    • Quantity: 1

  4. P/N: APV-DB

    • Description: Black Aluminum Adjustable Proportioning Valve For Dual Master Cylinders 2 & 4 Wheel Disc
    • Quantity: 1
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