Very rare heavy duty 1965 Pontiac 421 wg code 4 bolt main engine standard bore, crank is standard also (428. Crank, same as 421). No 4 bolt main bolts, got lost in time, block and crank have been magnifluxed all is good, block will need to be align bored, the caps are factory 421 caps but are off another block. I will crate and deliver to any freight dock in the Salt Lake City area, freight Qoute is the cheapest on shipping, should be around $200 any where in the USA, shipping is the buyers sole responsibility any questions call 801-634-0184