Valve Guide

Stem Diameter 7.900 - 7.920 mm (0.311 - 0.312 in.)
Guide Bore 9.500 - 9.525 mm (0.374 - 0.375 on.)
Stem to Guide Clearance 0.025 - 0.076 mm (0.001 - 0.003 in.)
Service Limit (Runout) 0.4318 (0.017 in.)