High-strength pinion gear created from tough 7075 T6 aluminum and specially hardcoated for superior power, light-weight, and high durability. Produced on an original gear device, all pinions work ultra-precise enamel shaping and ultra-true running for vibration-free procedure. Fine inside threading allows effortless installation. Each pinion is okay etched using the enamel volume for fast & effortless recognition. Fits GTXE cars.