High-strength pinion gear made out of tough 7075 T6 aluminum and specifically hardcoated for superior energy, lightweight, and high durability. Produced on a unique gear item, all pinions work ultra-precise enamel shaping and ultra-true running for vibration-free procedure. Fine interior threading enables effortless installation. Each pinion is okay etched with the enamel number for quick & effortless recognition. Fits GTXE automobiles.