http://www.summitracing.com/parts/UEM-IC9929-030/ Looking at these for a 350 build, had a thread before that I'll link you to. Cranks machined, but block needs bored. Going to also check the pink rods and make sure they are good to go. Should keep my compression just about 10.68:1 according to a compression calculator. quick specs: 70 ce block with nodular iron caps 3.48 forged stock crank pink rods 64cc iron eagle platnium 2.02/1.60 heads isky z-27 cam (Specs on page 1 post 15 of thread below) 1094 felpro head gaskets (.015 compressed 4.1 bore) 750 holley and edelbrock rpm air gap http://www.nastyz28.com/forum/showthread.php?t=183227 Cars usage: street car but will be taken to the strip often, run 91 octane fuel minimum. Im building it to enjoy it, ive got other vehicles for daily drivers, this is my weekend fun car.