Wilwood Tandem Aluminum Master Cylinder 1-1/8” Bore Black E-Coat

Wilwood Tandem Aluminum Master Cylinder — 1-1/8” Bore, Black E-Coat Brand: Wilwood The Wilwood Tandem Aluminum Master Cylinder (1-1/8” bore) combines lightweight construction with precision hydraulic control. Machined from high-pressure die-cast aluminum and finished in a durable black e-coat , it offers corrosion resistance, consistent metering and an OEM-plus appearance for restorations and performance upgrades. Key Features Bore Size: 1-1/8” — optimized for vacuum or hydraulic power-assist systems. Finish: Black e-coat for long-lasting corrosion protection and a clean look. Mounting Compatibility: Fits common mount flanges from 3.22” to 3.40” (most domestic cars and trucks mid-1960s to present). Flexible Plumbing: Tandem design with fluid outlet ports on both sides for convenient brake line routing. Pedal Feel: 1.10” stroke and a 2:1 volume ratio between primary and secondary chambers for predictable balance and modulation. Weight Savings: Approximately 3 lbs — up to ~75% lighter than typical cast-iron OE units. Applications & Compatibility Designed for power brake applications in classic and late-model vehicles. Ideal when upgrading to improved hydraulic assist; for manual systems consider Wilwood’s 7/8” or 1.00” bore options. Optional Accessories Combination proportioning valve kit with brackets and stainless lines — PN 260-13190 Retrofit kit — PN 220-13189 Why choose Wilwood? Trusted engineering, lightweight aluminum construction, and flexible installation make this master cylinder a reliable choice for enthusiasts and restorers seeking improved braking performance and durability.