Function: use for aligning or holding the camshaft in right position, holding the crankshaft damper, when replace timing chai or adjust timing. Install VCT solenoid seal. Applicable : 303-1685 compatible with Ford 2.0L 2.3L EcoBoost from 2019,compatible with Ford Edge 2.3L, compatible with Ford Ranger 2.3L, compatible with LincoIn 2.0L.