509 casting 400 block (2-bolt main) with ARP main studs and head studs. Eagle 4340 crank and eagle H-beam rods. Speed-pro flat top hypereutectectic pistons (.030 over). Rotating assembly internally balanced. Pro Topline 220cc heads with 72cc cylinders. Lunati cam 07104LUN - 235/240 @.050 duration with PBM lifters. Weiand aluminum water pump. Cloyes double roller timing chain. Victor Jr. intake. Generic deep sump oil pan, and a melling high volume oil pump.