Valve Guide

Valve Guide
Inner diameter 6.000 - 6.012 mm (0.2362 - 0.2367 in)
Protusion above head
Intake 20.0 - 20.5 mm (0.787 - 0.807 in)
Exhaust 16.5 - 17.0 mm (0.650 - 0.669 in)