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Holley

47-87 DUAL MASTER CYL 47-59 ADAPTER

$126.06

SKU: H00E MSTR900DRUM

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In Stock
Ships by Jul 30
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Brothers Trucks MSTR900DRUM is a dual reservoir master cylinder designed for manual drum-to-drum brake systems. This conversion enhances safety and is suitable for trucks requiring a dual master cylinder setup. For 1947-1959 trucks, a specific dual master cylinder conversion bracket (Part # DMC5954 or DMC5959) is required.

Fitment

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Specifications

BrandHolley
Part NumberH00E MSTR900DRUM

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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