Wilwood Tandem Aluminum Master Cylinder 7/8" or 15/16" Bore for Domestic Cars

Wilwood Tandem Aluminum Master Cylinder — 7/8" or 15/16" Bore for Domestic Cars Precision-engineered tandem master cylinder designed for manual brake systems on domestic cars and trucks (mid-1960s to present). Available in 7/8" or 15/16" bore sizes to match pedal ratio and stopping requirements while maintaining a confident, consistent pedal feel. Finish options: plain, ball burnished, or durable black e-coat Compact fit: fits common OE mount flanges 3.22"–3.40" Universal plumbing: fluid outlet ports on both sides for flexible installation and routing Performance-tuned: 1.10" stroke with a 2:1 primary-to-secondary volume ratio for predictable modulation Lightweight: machined from high-pressure die castings, ~3 lbs — up to 75% lighter than cast iron units Included: manual-application pushrod for immediate installation This Wilwood master cylinder is ideal for restorations, hot rods, and performance upgrades where reduced weight, reliable response, and OE-style fitment matter. For system completion, consider Wilwood combination proportioning valve kits and retrofit options (PN 260-13190, PN 220-13189).