put a 4.1'' crank and it would make a 427-:yeah:
408ci FORGED SHORT MOTOR [SE4081] - $6,650.00 : S & E Performance
or
L76 CRATE MOTOR [L76CE] - $4,350.00 : S & E Performance
Plenty of options,if you would like to know more drop us a pm-
Thanks
Nick--