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Ford spark plug kit M14x1.25 p/n 5553FL Full thread inserts
- Description
- Specifications
Contains: all the tools and 5 fully threaded taper seat inserts p/n 51457 Note: Be sure the valves are closed and the piston all the way down before starting the repair. See Specifications tab:
NOTE: This kit P/n 5553FL includes Fully threaded inserts you must use Fully threaded spark plugs. The earlier Ford kit p/n 5553 uses half thread inserts due to the half threaded spark plugs that still exist. If your vehicles is using full threaded spark plugs you can use this kit but please note you would never want to put a "half threaded Spark plug" into a fully threaded insert because it would stick up and not screw deep enough into the spark plug hole. Instructions here
If you need a kit to repair holes larger than .660 inches or 16.8mm See: Ford Triple Oversized p/n 5600