High-strength pinion gear made from tough 7075 T6 aluminum and especially hardcoated for superior energy, light-weight, and high durability. Produced on an original gear unit, all pinions work ultra-precise enamel shaping and ultra-true running for vibration-free procedure. Fine inside threading allows effortless installation. Each pinion is fine etched utilizing the enamel volume for fast & effortless recognition. Fits GTXE automobiles.