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Brakes› Master Cylinders-Boosters and Components

RIGHT STUFF DETAILING

Booster Master Cylinder Combo Disc/Disc Black

$492.15 $442.65 Save $49.50

SKU: R04Q B85315672

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The RIGHT STUFF DETAILING B85315672 is a universal Booster Master Cylinder Combo with a 1.125 inch bore and an 8 inch OD dual diaphragm, finished in black paint and designed for disc/disc brake systems.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandRIGHT STUFF DETAILING
Part NumberR04Q B85315672

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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