Wilwood Tandem Aluminum Master Cylinder

Wilwood Tandem Aluminum Master Cylinder Upgrade your brake system with the performance and reliability of a Wilwood Tandem Aluminum Master Cylinder. Available with either a 1-inch or 1-1/8-inch bore, these lightweight master cylinders are engineered for consistent braking performance in a wide range of street, off-road, and custom applications. Finished in a durable black E-coat, they offer modern performance while maintaining a clean, professional appearance. Manufactured from high-pressure die-cast aluminum, each master cylinder weighs approximately 3 pounds—up to 75% lighter than comparable cast iron OE-style master cylinders. Dual outlet ports on both sides provide flexible plumbing options, while the 1.10-inch stroke and 2:1 primary-to-secondary chamber volume ratio deliver dependable hydraulic performance. Pair it with our combination proportioning valve kit for a complete braking solution. Features Available with 1-inch or 1-1/8-inch bore Lightweight high-pressure die-cast aluminum construction Durable black E-coat finish Approximately 75% lighter than comparable cast iron master cylinders Dual fluid outlet ports on both sides for flexible plumbing 1.10-inch stroke with a 2:1 chamber volume ratio Compatible with mounting flanges from 3.22 to 3.40 inches Ideal for street, off-road, and custom vehicle applications Additional Fitment Details 1-inch bore is suitable for manual and power brake applications and does not include a pushrod 1-1/8-inch bore is intended primarily for vacuum-assisted or hydraulic-assisted power brake systems Pairs well with our combination proportioning valve kit (sold separately)