How to Lap Valves on GT40 Iron Heads using a hand drill. This process can EASILY and SAFELY be accomplished with the aid of a drill. I include my process with helpful tips!

Products Used:
Permatex Grinding Compound (1.5oz): [ Ссылка ]
Valve Lapping Tool: [ Ссылка ] (fits most, but measure your valves to make certain)

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