I've also included two threaded adapters, one for 6 cylinders and the other for V8's, that allow the damper to be pressed on, eliminating the possibility of stripping the center bolt thread by trying to force the part on by tightening the bolt. It's got a 1" fine thread, and a needle-bearing thrust piece that bears against the center of the damper. If you choose to tempt fate by hammering on one, go for it!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!