GM 1" Bore Finned Master Cylinder 9/16" & 1/2" Ports on Both Sides Chrome Universal

--Fits most GM application --100% brand new, high performance --High quality, chrome aluminum finish --Finned Cap --With a 1" bore --The cap is attached by 2 small screws --9/16" and 1/2" ports on both sides of the master cylinder --4 port unit, so you can mount your lines on either side --will work with any drum/drum, disc/drum or disc/disc setup --Plugs are included to block the ports --This is a shallow bore master cylinder, works perfectly with all universal-style boosters of our store, which come with a short pushrod. We highly recommend you purchase the cylinder and booster together from our store, so no extra pushrod spacer/adapter will be needed. Professional Installation is Highly Recommended (No Instruction Included)