this engine is a numbers matchin 350 from a 1969 Camaro. 4-bolt main, standard bore, small chamber heads, standard cast crank. casting numbers on block are 3932388 heads 3947041. asking 450 for heads block amd crank. also building and installation available. call dave at 505 342 4480 Location: North Valley it's NOT ok to contact this poster with services or other commercial interests newmexico