The Upgrade Motorsport CNC Flange Fit Master Cylinders are engineered for drivers and teams who demand precision, weight reduction, and absolute reliability under pressure.

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Machined from aerospace-grade billet aluminium and weighing just 207g, this unit is approximately 40% lighter than traditional flange-fit master cylinders, delivering a genuine performance advantage where it matters most.

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Designed as a direct replacement for Girling-style flange fitment cylinders, it integrates seamlessly into existing pedal boxes and hydraulic systems while offering a significant upgrade in feel, strength, and consistency.

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Key Features

• Ultra-lightweight design at just 207g

• Around 40% lighter than standard cast alloy master cylinders

• Precision CNC-machined from aerospace-grade aluminium billet

• Hard anodised finish in Gunmetal Grey or Black for durability and corrosion resistance

• Standard flange fitment compatible with Girling, Wilwood, AP, Alcon and similar systems

• Compact push-type design ideal for tight installations

• Remote reservoir compatible for flexible installation layouts

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This master cylinder is developed specifically for high-performance environments where braking precision and reliability are critical.

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Ideal for:

• Hydraulic handbrake systems

• Brake and clutch pedal assemblies

• Race, rally, drift and time attack cars

• Classic and kit car performance builds

 

Whether you are braking later into corners or demanding consistent pedal feel over long sessions, the Upgrade CNC Billet Alloy Flange Fit Master Cylinder range delivers confidence, control and durability.

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Technical Specifications:

• Bore Sizes: 0.625", 0.70", 0.75”

• Material: Hard anodised aerospace-grade aluminium

• Weight: 207g

• Stroke: 50mm maximum

• Push Rod Thread: 5/16” UNF

• Fluid Inlet Port: M10x1

• Fluid Outlet Port: M10x1

• Recommended Torque: 17–20Nm with copper washer

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Dimensions:

• Body Width: 26mm

• Body Height including fittings: 39mm

• Length from pushrod to flange: 95mm

• Total Length: 172mm

 

Why Upgrade Motorsport - This is not just a replacement part. It is a true performance upgrade over standard cast cylinders.​

You gain:

• Reduced weight

• Improved pedal feel and modulation

• Increased durability under extreme conditions

• Motorsport-grade engineering throughout

 

Make the Upgrade - If you are serious about braking performance, the Upgrade Motorsport CNC Billet Aluminium Flange Fit  Master Cylinder is the next step forward.

Built for racers - Engineered for results.