Brakes› Master Cylinders-Boosters and Components

Raybestos Brakes

BRAKE MASTER CYLINDER

$146.00

SKU: R014 MC390958

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Raybestos MC390958 is a brake master cylinder designed for Ford Mustang models. Engineered with precision, this aluminum master cylinder ensures reliable brake hydraulics performance. It features a 1.060-inch bore size for optimal hydraulic pressure and includes two mounting holes with a 0.346-inch diameter for secure installation. The primary and secondary ports are M12x1 threaded for compatibility with standard brake lines.

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

BrandRaybestos Brakes
Part NumberR014 MC390958

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.

View Full Return Policy