TFS 225 r heads, 54cc, 2.08 /1.62 ferrea stainless valves. New PSI dr1224 valve springs, new xceldyne titanium retainers crower locks. Fresh from machine shop. These are the older castings that have the cracks at the plug holes but dont affect anything. One spark plug hole has a timesert that was done before I bought them. Some threads have been helicoiled properly, others are still original threads. Heads are in great shape and will include scorpion 1.6 rockers, studs and probe girdles.