SB Chevy (old school hot rod motor, new old stock) 4 bolt main block, sonic tested, Deck squared, main bearing bores align honed, Bored & honed w/deck plate, .030 over, GM forged crank, internally balanced, TRW L-2304 forged pistons, GM pink rods, floating pins, polished & shot peened beams, particle tested, CC’d centers, beams checked for straightness. Engle RK-48 roller cam shaft ( power range 2500 to 7000 rpm ) .609 valve lift Int. & Exh. 294 duration @ .020 / 254 duration .050 int. & exh. 108 degree lobe centers Engle roller lifters w/ rev kit, Milodon # 12000 gear drive, Edelbrock Victor Jr. aluminum Full CNC machined race cylinder heads, 70cc chambers for 10-1 compression. Manley sever duty valves, port matched intake to manifold runners, Dual valve springs with damper, 7 degree locks, isky roller rockers, 360 degree, degreed harmonic balancer .