The 6 Best Proportioning valves For Rear Disc Brake conversion (2023 reviews)

The valve is a must have add-on for your regular usage. It is great for setting up a disc-drum brake system on a project car or truck. This unit has a pressure switch built in but it is to activate the rear brake lights any time there is any brake pressure at all, not to indicate a problem. If you are running them on the front brakes, the brake light solenoid will be triggered so long as the line locks are holding pressure. It comes with a differential switch to warn of brake pressure failure so keep that in mind when using.

This valve will fit any dual circuit braking system. It is lightweight and compact. It is great with no early lockup. It is the standard in prop/distro valves.

Why We Like This:

Works great and makes for a clean setup
Delivers what they promise

Best For Disc Brake: UTSAUTO Proportioning Valve For Rear Disc Brake conversion

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The utsauto proportioning valve for rear disc brake conversion should be able to handle its purpose and duties with ease. This Pv4 proportioning valve is a great fit for your classic truck. It bolts right up to the frame and brake lines with a 79 Blazer system and works perfectly. It will work on nearly all vehicles that have disc brakes in the front and disc brakes in the rear. The brake system is so much more responsive.

This proportioning valve ( also known as a combination valve) helps proportion the amount of pressure sent to the front and rear brakes, helping prevent rear lock. It is great for rear disc brake conversion.

Why We Like This:

New and hot release
Good brand reputation

Best propotioning Valve: Allstar Proportioning Valve For Rear Disc Brake conversion

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The allstar proportioning valve for rear disc brake conversion is capable of outshining several other valve featured in this list in overall features for the price point. It comes with the proper fitting for your brake conversions for the foxbody. It allows adjustment of front-to-rear brake bias with a simple twist of the knob. The valve provides up to 57 percent reduction and has fitting ports that are 1/8 npt. It includes two fittings to adapt to 3/16 inch brake line.

Why We Like This:

Fittings good and valve high quality
Delivers what they promise

Best For Ford: Qnbes Proportioning Valve For Rear Disc Brake conversion

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The qnbes proportioning valve for rear disc brake conversion is capable of outshining several other valve featured in this list in overall features for the price point. It is great fit for hotrods, ford, chevy, or mopar classic truck. It is made of solid brass for durable and longer service life. It contains a residual pressure valve to provide a proper braking feel and ensure proper fluid transfer. It can be used on cars, trucks, or anything with 4 wheel disc brakes. It is compatible with nearly all vehicles that have disc brakes in the front and disc brakes in the rear. It is made for a 4 wheel disc proportioning valve.

Why We Like This:

Universal pv4 combination-proportioning valve & disc brakes
Proportional distribution of pressure to the front and rear brakes for preventing rear locking
Evenly distribute the brake pressure to prevent rear lock

Best For team Performance Adjustable Proportioning Valve distribution block Disc Drum Brake street Rod: Ateam Performance Proportioning Valve For Rear Disc Brake conversion

Ateam Performance Proportioning Valve For Rear Disc Brake conversion

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate valve. The ateam performance proportioning valve for rear disc brake conversion is exactly that - it's a simple valve that hits all the right notes. This adjustable proportioning block allows you to run lines from the master cylinder to the block and then to the appropriate wheels. It is designed for dual bowl master cylinders. The distribution block connects to the master cylinder and distributes brake fluid to all four wheels. The block accepts 3/16 " brake lines and the inlets and outlets on this unit are 3/8"-24 inverted flare females. It reduces the amount of fittings needed and potential leaks.

The adjustable proportioning valve regulates rear brake pressure, helping to maintain correct brake bias between front and rear brakes. It includes five stainless steel fittings for 3/16" brake line, brake light switch and wiring pigtail.

Why We Like This:

Adjustable proportioning valve and distribution block all in one
Delivers what they promise

Best Easy To Use: Powerworks Proportioning Valve For Rear Disc Brake conversion

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This pv-4 proportioning valve works on almost any classic truck, or muscle car, and nearly all vehicles that have disc brakes in the front and disc brakes in the rear. This proportional valve / combination valve helps to distribute the pressure sent to the front and rear brakes proportionally, effectively preventing rear lockup. It has standard 9/16"-18 and 1/2"-20 fittings. This valve can be used for all 3/16 brake lines with various adapters. It has a 9/16"-18 connection for rear brakes & dual 3/8"-24 ports for the front brakes. It has the larger front outlet ports for up to the 1/4 inch brake line. This valve can be used for a smaller car, truck.

Why We Like This:

Easy to install and easy to bleed
New and hot release