As with all engine assembly, a well thought out combination of parts, precision machine work, clean envirement, and a competent assembler are keys to a proper engine build. There are many componets to a proper engine build and many things that need to be checked and recorded.

Cam degreeing, rod bolt stretch, bearing clearance, ring end gap, torque settings, compression ratio, file fit rings, piston to wall clearance, valve to piston clearance, etc.