Valve Guide

Valve Guide Inside Diameter 6.0 mm (0.234 inch)
Valve Guide Projection 14.0 mm (0.551 inch)
Oversize Valve Guide Hole Diameter:
0.05 Oversize 11.05 - 11.07 mm (0.4350 - 0.4358 inch)
0.25 Oversize 11.25 - 11.27 mm (0.4429 - 0.4337 inch)
0.50 Oversize 11.50 - 11.52 mm (0.4528 - 0.4535 inch)