The Wilwood Tandem Aluminum Master Cylinder in black e‑coat 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 offers a 1.10" stroke, 2:1 chamber volume ratio and dual fluid outlets while weighing roughly 3 lb. Mount flanges match 3.22–3.40" factory locations and retrofit proportioning kits are available (PN 260-13190 or 220-13189).
Wilwood High Volume Tandem M/C - 15/16in Bore Black-W/Pushrod - Early Mustang