Wan to build my DD in the next yr. lookin for the 600hp range+\-. Goint twins s480 over stock mpi kit. Robs tunes. Jw what other parts you guys recommend rods,heads yea or no. Kinda a parts list. I have lb7 cut and coated pistons already. Plan to start buying parts so I can build it I. The next yr after my Trans build. Thanks guys.