hardened valve seats for Unleaded fuel

[Boyscout]

What did the engineering work cost you Boyscout?

The entire head was redone. So strip, chemical clean, resurface (skim), new valve guides and stem seals, 4 x hardened seats installed, ground all valve seats and valves. re-assemble and leak test. It was around R2400. Work was done by Alan Y Brink.