modified stock clarity

[Mark Markow]

750 cfm carb you can check the list for legal carbs . heads and block need an o.e. casting number. aluminum in b , iron in c. if it's a chevy combo . most in b use either a 15 or 18 degree gm, but the sb2.2 head is also legal. c guys use the iron vortec heads most often.must be an inline valve head only. as far as pistons, pretty much anything goes.