I need help on id #'s for my 468 big block i tried mortec but i cannot find them
engine # 3999289 cyl head # 3873858 cyl head # 3919840 Try these sites. http://www.chevy-camaro.com/chevy-camaro-chevy-bb-head-codes.asp http://www.ajgeneral.com/bbc_block_casting_numbers/
