Speedway Black Adjustable Brake Proportioning Valve
Allows easy adjustment of front to rear brake bias. Universal design works on all race cars. 100 to 1500 psi range, up to 57% pressure reduction. Uses 1/8" NPT fittings.
Compensates for weight transfer to the front wheels during braking. All factory brake systems allow for this in some fashion. An APV allows you to "fine tune" a street or race brake system (which normally uses components from a variety of sources) and thus prevents severe rear brake lockup under moderate-to-heavy braking.
910-31355 Instructions (pdf)
- Our technical staff highly recommends the use of thread tape on the 1/8" NPT threads of this valve to ensure that it remains leak free.
910-31355 Instructions (PDF)
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Q & A
Today we take a look at the differences between proportioning valves (both fixed and adjustable models) and the residual pressure valves we offer in this buyer's guide.
Project Chevelle upgrades the 4 drum brakes single master cylinder that was an unfortunate set of boxes checked on this Chevelle’s order sheet.
Learn about the different types of brake valves. Our guide covers Metering, Residual, Proportioning, and Combination valves to understand your brake system.
Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.
In this Tech Tip, John confirms a customer question regarding the need for a proportioning valve on his ’55 F100 brake build.
Just about any classic vehicle’s drum brakes can be upgraded to the increased braking performance of a disc brake system. Our Buyer’s Guide provides an overview of disc brake benefits and what you need to succeed with your upgrade.
Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.
When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.