4 Port Bail Top Cast Iron Master Cylinder with 1" Bore GM Street Rod Universal

cast cast iron cylinder iron master port rod

This is a GM Corvette Master Cylinder. Double Bail. 1" bore (ideal for either 4-wheel drum brakes or disc drum). Dual Reservoir Cast Iron. Wider Oval Mounting Holes allow this to work on more cars than the normal 3-3/8 GM pattern.