Rebuilt 4 bolt main 350 ci engine, bored .030 over, with all new pistons, rings, bearings, freeze plugs, oil pump, mild performance cam shaft, complete gasket set, etc. Double hump heads with complete valve job and new guide plates. Includes stock Q-jet intake. Block is casting 3970010, application code TRH, build date V1101 casting date J251. Heads are castings 378461, K30 4 & L8 4' Professionally machined and built by the numbers by 40 year Community College Auto Instructor. (910) 308-0130