360 block bored 40 over.. Scat cast crank, (internally balanced) scat I beam rods, icon flat top pistons with valve reliefs total seal rings 11.3 to 1 compression .010 above deck.. 596 heads arp bolts with very mild porting with 202 valves. Crower Springs, Smith Brothers pushrods, Hughes 1.6:1 roller rockers.. originally a purple performance hydraulic cam given to Ken at Oregon cam grinders and ground into a solid lifter part number 175... At 259 intake 267 exhaust 107 lobe separation and 582 - 603 lift. Then he ground it leaving the 107 lobe separation making it a one-off cam, but with the rest of the specs being a part number 1313 which consists of it 238 248 duration and a 506 526 lift..