I see on another site someone has one of the new HF 459's. It has a hemi head and an OIL PUMP. The rocker arms look like the Champion units VC sells or the 670 type rather than the ones on the 420 hemi. The rocker cover looks to be a cast aluminum unit. The block is ribbed much like the VC block. The mounting pattern is the same as the other clones. I hope the owner further disassembles this thing for a look inside the crankcase and the oil pump