*Now In Stock!*! New USA Made Triumph 350 & 500 Unit Twins Primary Clutch Cover Gasket. We can not stress enough when rebuilding any engine that you use only high quality parts! Gaskets play a crucial role! This gasket is made right here in America and it is made to last only using the best quality materials! Whats great about this gasket is that is does not require any sealants! Just clean your surfaces with alcohol and away you go! Fits all Triumph 350 & 500 Unit Twins (Daytona, T100R, Tiger, T100, Trophy, T100C, Twenty-One, 3TA, 5TA, T100SS, T100SR, T100T, T100A & T90) from 1957-1974. Please refer to your parts catalog for proper fitment.*****Please note that this gasket will only fit Triumph Unit 350 & 500 Models!*****Made in the USAO.E.M Part number is 70-4156, 71-1456 or 70-3850