Experience top-tier performance with the Castle Creations CC Pinion 22T-Mod 1 8mm Bore. Designed for large scale vehicles, this carbon steel pinion boasts a high strength 8mm bore and precision CNC machining for maximum durability. The high wear case-hardened finish ensures long-lasting use. Package includes one pinion gear with set screw. Unlock the full potential of your vehicle with this exceptional pinion option!