High-strength pinion gear made from tough 7075 T6 aluminum and especially hardcoated for superior strength, lightweight, and high durability. Developed on a certain gear unit, all pinions work ultra-precise enamel shaping and ultra-true operating for vibration-free procedure. Fine inside threading allows simple installation. Each pinion is okay etched as a result of enamel quantity for fast & easy recognition. Fits GTXE vehicles.