well guys i bought an 8:1 compression 4 bolt main 355
the block is o-ring for nitrous, gm steel crank, recondition rods, lunati solid roller cam .656/.668 .316/.330 4500-8500rpm, gear drive timeing set, and mild poted gm 492 angle plug heads with 2.05/ 1.600 valves, 1.5 roller rockers, bowtie...