CNC Alloy Billet Flange Fitment Push-Type Master Cylinder – 0.625” Bore | Remote Reservoir | Super Lightweight (207g) by Upgrade Motorsport

This Upgrade Motorsport CNC-machined billet alloy master cylinder is a professional-grade, push-type hydraulic unit designed for brake or clutch applications in demanding motorsport environments. Weighing just 207g, it is approximately 40% lighter than standard flange-fitment master cylinders—offering a true performance advantage in race, rally, and drift builds.

Key Features

Ultra-lightweight (207g) – 40% lighter than traditional alloy cylinders
CNC-machined from aerospace-grade anodised aluminium
Standard flange fitment – compatible with Girling, Wilwood, AP, Alcon, and others
Push-type master cylinder with compact body for tight installs
Gunmetal grey anodised finish for corrosion resistance and premium looks
Includes remote reservoir option for flexible fitment

Designed for Performance

Engineered for reliability under extreme conditions, this master cylinder is ideal for:

Hydraulic handbrake systems
Brake/clutch bias pedal assemblies
Classic cars, kit cars, drift and track-day builds

Whether you’re chasing tenths on a time attack lap or carving lines in a drift car, this cylinder delivers crisp pedal feel, high strength, and motorsport-grade durability.

Technical Specifications

Bore Size: 0.625”
Material: Hard-anodised aerospace aluminium
Weight: 207g
Stroke: 50mm max
Push Rod Thread: 5/16” UNF
Fluid Inlet Port: M10x1 – Torque: 17–20Nm with copper washer
Fluid Outlet Port: M10x1 – Torque: 17–20Nm with copper washer
Install Note: To avoid air traps, install with ports facing upward

Dimensions

Body Width: 26mm
Body Height (inc. fittings): 39mm
Length (pushrod to flange): 95mm
Total Length: 172mm

Why Choose Upgrade Motorsport?

These billet alloy master cylinders offer exceptional value, matching the performance of leading brands like Alcon or AP—at nearly half the price. Ideal for any driver looking to reduce weight, improve pedal feedback, and simplify installation.