4 Port Corvette Style Cast Iron Master Cylinder w/ 1 1/8" Bore GM Street Rod

cast cast iron cylinder gm iron master port rod

This master cylinder is the Bail Top Style & has a 1 1/8" Bore. Side ports are 9/16-1/2". This works great for most drum/drum, disc/disc or disc/drum applications. This is a four port master cylinder, so you can use the ports on whichever side you need and block the others.