Product Features: 1.GREAT APPLICATIONS: Fits for 4.6L 3V, 5.4L 3V engines; Vehicles: Mustang, F-150, F-Super Duty 250-550, Mark LT, Explorer/Mountaineer/Sport Trac, Expedition/Navigator. Please kindly confirm more compatibility details on the below product descriptions. 2.INTENDED USE: Saving your time and frustration on doing camshaft or cam phaser change job on your vehicle. This cam phaser holding tool makes replace lash adjusters and roller followers or other phaser jobs effortlessly. 3.SUPERIOR QUALITY: Made of hardened chrome molybdenum steel with long-lasting black oxide finish. Rust resistance and deformation protection with great durability. .