Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Valve Guide

GENERAL SPECIFICATIONS
Valve Guide Inner Diameter (I.D) 8.063-8.094 mm (0.317-0.319 inch)
Bore Diameter (Insert Counterbore Diameter)
Intake
Minimum 39.940 mm (1.572 inch)
Maximum 39.965 mm (1.573 inch)
Exhaust
Minimum 34.940 mm (1.375 inch)
Maximum 34.965 mm (1.573 inch)