Description
The Wilwood GS Integral Master Cylinder with a 0.625-inch bore is designed for high-performance automotive braking applications. Crafted from durable die-cast aluminum, this master cylinder features a protective e-coat finish that ensures resistance to corrosion and environmental exposure. Its all-new rebuildable design allows for easy maintenance and customization, making it a reliable choice for both race and street vehicles. The integrated positive seal internal bellows cap enhances sealing efficiency, reducing the likelihood of leaks and maintaining consistent brake pressure. An internally refined return spring and piston assembly facilitate quick, complete release and precise pressure control, contributing to improved braking response and safety. This master cylinder is suitable for a variety of vehicles requiring dependable hydraulic performance and is engineered to meet demanding automotive standards. Its compact size and robust construction make it an excellent upgrade or replacement component for custom builds, restorations, or performance enhancements. Trust Wilwood’s reputation for quality and precision engineering to deliver a product that enhances braking performance and durability. Whether for racing or everyday driving, this master cylinder provides the consistency and reliability necessary for optimal brake system operation.
Features:
- High-pressure die-cast aluminum body offers durability and corrosion resistance
- Integral design with positive seal internal bellows cap for leak prevention
- Refined return spring and piston assembly for quick and complete brake release
- Rebuildable construction allows for easy maintenance and customization
- Compact size suitable for various automotive applications


















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