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

Wilwood Tandem Aluminum Master Cylinder — 1-1/8" Bore, Black E-Coat High-performance, lightweight master cylinder engineered for modern power brake systems. The 1-1/8" bore version is optimized for vacuum or hydraulic assist applications, delivering confident pedal feel and consistent fluid displacement for performance cars and trucks. Bore Size: 1-1/8" — optimized for power brake applications and consistent pedal modulation Finish: Black E-Coat for superior corrosion resistance and durable appearance Mount Compatibility: Flange span 3.22"–3.40" — fits many domestic vehicles from mid-1960s to present Dual Outlet Ports: Fluid outlets on both sides for flexible plumbing and simplified installation Stroke & Ratio: 1.10" stroke with a 2:1 volume ratio between primary and secondary chambers for predictable braking response Lightweight Construction: Machined from high-pressure die cast aluminum — approx. 3 lbs, nearly 75% lighter than typical cast-iron OE units Precisely machined for reliability, this Wilwood tandem master cylinder pairs seamlessly with Wilwood proportioning and retrofit kits (PN 260-13190 and 220-13189). Ideal for restorations, street performance builds, and race applications that demand dependable power-assist braking. Upgrade to a compact, corrosion-resistant unit that improves stopping performance while reducing weight.