Oh Enjomor, y u do this?

[@ManiacRacing]

A tip for hand lapping the valves: Lift the valve every couple spins so it does not form a repeating pattern on the seat. Using a back & forth spin between your palms. And remember lapping compound does wear out, so re-apply as needed when it starts feeling less abrasive.

[@-AJAL]

Make a dyno sheet after the work done