Robinson Racing 1040 Steel 48P Pinion Gear (3.17mm Bore) (40T)

These Robinson Racing Products 48 Pitch Pinion Gears are precision cut alloy steel gears that feature a hard nickel coating for durability. The pinions have an 1/8" bore, are stamped with the tooth number for easy identification and include one 5-40 set screw. These gears are available in a variety of tooth count options to fine tune the torque and top speed of your vehicle.