The Wilwood Tandem Aluminum Master Cylinder, 1-1/8 inch bore, is intended primarily for power brake applications and provides a 1.10" stroke with a 2:1 volume ratio between primary and secondary chambers. Machined from high-pressure die castings, it fits mount flanges from 3.22" to 3.40" common on many domestic vehicles from the mid-1960s to present and offers fluid outlet ports on both sides for flexible plumbing.
Wilwood High Volume Tandem Master Cylinder - 1 1/8in Bore