High-strength pinion gear made out of tough 7075 T6 aluminum and particularly hardcoated for superior energy, light-weight, and high durability. Developed on a unique gear unit, all pinions function ultra-precise enamel shaping and ultra-true operating for vibration-free procedure. Fine inside threading allows simple installation. Each pinion is okay etched because of the enamel quantity for fast & easy recognition. Fits GTXE cars.