Buy skunk2 valve springs, skunk2 ti. retainers, skunk2 valves, skunk2 stage 1 cams, OEM valve stem seals, OEM cam seals, skunk2 cam gears, OEM valve guides, and possibly a skunk2 intake manifold and skunk2 66mm throttle body. It's gonna cost around $2,000 with parts and labor. Good luck!