Upgrade your vehicle's performance with the Robinson Racing 48-Pitch Pinion Gear. This high-quality pinion gear is machined to precise specifications and features a pitch of 48 and 20 teeth, making it an ideal choice for a wide range of vehicles. The 5mm bore size ensures a perfect fit, while the machined construction ensures maximum durability and performance. Whether you're a professional racer or a hobbyist, the Robinson Racing 48-Pitch Pinion Gear is an essential upgrade that will help you get the most out of your vehicle.