The beater just blew the spark plug

Anyone know whats the part number for the helicoil that I need?

I know the spark plugs are 14mm and 5/8 hex heads but what about the threads?

Please help me, the 2 parts stores I called say they don't have cross references


3.0 14.392@97.237 2.302 60ft OEM 4-bolt LCA's $105 each Watch me go