High-strength pinion gear created from tough 7075 T6 aluminum and specially hardcoated for superior energy, lightweight, and high durability. Developed on a particular gear machine, all pinions feature ultra-precise enamel shaping and ultra-true running for vibration-free operation. Fine interior threading permits effortless installation. Each pinion is okay etched because of the enamel number for fast & easy recognition. Fits GTXE automobiles.