CNC Alloy Billet Flange Fitment Push-Type Master Cylinder – 0.625” and 0.70" Bore | Remote Reservoir | Super Lightweight (207g) by Upgrade Motorsport & High Quality Bias Bar / Balance Bar Assembly with Steel Tube
 
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.
 
Before installation read our Billet Alloy CNC Master Cylinder Bench Bleeding, System Bleeding & Torque Guide: https://www.upgrademotorsport.co.uk/post/upgrade-motorsport-billet-alloy-cnc-master-cylinder-bench-bleeding-system-bleeding-torque-guide
 
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 or Black 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.
 
Track-tested & race-proven
12-month warranty
Free UK delivery
In stock – ready to dispatch
 
Upgrade Motorsport High Quality Bias Bar / Balance Bar Assembly with Steel Tube
 
This Upgrade Motorsport bias bar assembly is the perfect upgrade for your vehicle's performance braking system. The 7/16-20 UNF balance bar thread and 5/16-24 UNF clevis thread ensure a secure fit and maximum control.  
 
All Upgrade Motorsport products are high-quality performance parts that are built to last. Whether you're a seasoned racer or a beginner, this bias bar assembly is an excellent choice for anyone who wants to improve their vehicle's braking performance.
 
Specifications:
Super Lightweight 290 g
Hardwearing Long Lasting Bearing
Black Anodised Alloy Clevises
Clevis Threads - 5/16 UNF
Bias Bar Thread - 7/16 UNF
Precision Bias Tube - 26mm I/D x 32mm O/D x 35mm Length
High Quality Mild Steel Bias Bar Tube - Easy to Weld
Motorsport Brake Bias Adjustment
Track / Race Proven & Tested