6-71 thru 18-71 supercharger base gasket. We have found this gasket to be very durable and is made from a material that allows the gasket to be used time and time again as it tends not to stick or tear upon supercharger removal.
Gasket is .032" thick with a 12.250" x 4.00" opening that can be cut to fit many blower applications for roots or screw blowers. Works well for retro type roots blower as the gasket extends out 2.00" past the center of the front stud hole and 4.00" past the center of the rear stud hole. Gasket is made in the USA so don't trust cheap knock off versions.