fresh race 455 .030 1971 fresh block square decked .020 deck height forged diamond pistons flat top (pressed)over 12-1 with 68 cc heads, moly rings arp rod bolts and main studs re sized stock rods(no oil spit hole not the early rods) new 10/10 crank and bearings/nodular as all are neopreme rear main seal from most parts from ta suggest for race fuel or street but only if you run e85 assembled oiled up and bagged this morning shipping avail but prefer p/u locally feel free to give me a call and we can go over your options 1800.00 shortblock only as stated above ken 630-531-2038 i am 50 west of chicago over 20 years buick engine building experience also many other 430/455 parts avail. heads ranging from 68cc,71cc and 78 cc avail at extra charge to lower compression if desired,also head gaskets from .030 to .067, std and cometic. local sale will take highest priority and best offer also i can install this in your car for an extra fee thanks for looking!