High-strength pinion gear created from tough 7075 T6 aluminum and especially hardcoated for superior power, light-weight, and high durability. Produced on a unique gear device, all pinions work ultra-precise enamel shaping and ultra-true operating for vibration-free procedure. Fine interior threading permits effortless installation. Each pinion is fine etched with all the current enamel volume for fast & simple recognition. Fits GTXE automobiles.