Valve Guide Seal

Valve stem diameter intake mm (inch) 6.965-6.98 (0.274-0.275)
Valve stem diameter exhaust mm (inch) 6.95-6.965 (0.274)
Valve stem-to-guide clearance exhaust mm (inch) 0.035-0.068 (0.001-0.003)
Valve stem-to-guide clearance intake mm (inch) 0.020-0.053 (0.001-0.002)