High-strength pinion gear created from tough 7075 T6 aluminum and particularly hardcoated for superior strength, lightweight, and high durability. Developed on a specific gear device, all pinions function ultra-precise enamel shaping and ultra-true running for vibration-free procedure. Fine interior threading enables easy installation. Each pinion is okay etched due to the enamel number for quick & simple recognition. Fits GTXE cars.