This tool only fit 3.5L V6 EcoBoost upgraded engine, not fit fit 3.5L 4V engine. if your car is 3.5L 4V engine, you need choose 303-1248 303-1053. Easy Aligning Camshaft: We have extend the camshaft hold plate ends, make the end enough long, which easy sit across the head to hold the cam still, OEM Equivalent Part Number: 303-1655.
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