434 small block chevy built by shafiroff racing. World products block, AFR 220 heads, lunati forged crank, lunati pro mod rods, JE nitrous pistons, speed pro hellfire rings, cloyes timing chain, comp solid roller cam 252 duration, comp solid roller lifters, comp pushrods, comp pro mag 1.6 roller rockers, AFR stud girdle, cast aluminum valve covers and timing cover, port matched edelbrock victor jr intake, melling oil pump, ARP oil pump driveshaft, ARP 12 point head studs, Cometic head gaskets, moroso 6 quart oil pan with ARP studs, ATI superdamper, ARP 1/2 drive crank bolt. combo made 720 rear wheel horsepower through a 4l80 and a dana 60 rear on 6 lbs of boost. Has run 11.07 at 124 on 8 lbs in a 6000 lb suburban and a 10.3 at 128 on 14 lbs. located in southern california 5500 obo. Was in carcraft magazine 2 times numerous videos on street fire if you want to see what it can do.