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The Wilwood Tandem Aluminum Master Cylinder is a high‑volume 15/16" bore unit supplied with the correct pushrod for 1964–1972 Mustang manual brake pedals. Machined from high‑pressure die castings, it features a 1.10" stroke, 2:1 primary/secondary volume ratio and fluid outlets on both sides while weighing about 3 lb for substantial weight savings. Mount flanges suit 3.22–3.40" factory locations; a retrofit proportioning valve kit is available (PN 260-13190 or 220-13189).
Wilwood High Volume Tandem M/C - 15/16in Bore-W/Pushrod - Early Mustang
