Brakes› Brake Systems And Components

Holley

ADJUSTABLE PROPORTIONING VALVE

$108.83

SKU: H00E 050303DS

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Detroit Speed Adjustable Proportioning Valve is a critical component for fine-tuning your vehicle's brake system. This valve allows you to precisely adjust the brake bias between the front and rear wheels, optimizing stopping power and stability.

Designed for performance enthusiasts and custom builders, the 050303DS proportioning valve is engineered for reliability and ease of use. It is an essential part of a well-balanced braking system, particularly when upgrading to higher-performance brake components or converting to disc brakes.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHolley
Part NumberH00E 050303DS

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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