- These engines are not free-wheeling, and if an engine has "jumped time" it is possible the cylinder heads have to be removed because of damage to the valves or pistons.
- Designed for use on Ford 1993-2012 4.2L,4.6L 2-valve, 4.6L 4-valve, 5.4L V8, and6.8L V10 engines when installing timing chains.
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