You'll also need to consider the clutch disc splines and the pilot bushing in the end of the crankshaft, whether or not they're compatible with the crash box transmission. I believe there's no problem there, but double-check to make sure you're not building in a fit problem.
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!