PBI Steel Transmission Mainshaft Sprocket - 22T , Sprocket Position: Front, Color: Natural, Material: Steel, Sprocket Size: 530, Sprocket Teeth: 22 279-22 Street American V-Twin &gt; DRIVE &gt; Driveline Application: 37-79 Big Twin 22 TEETH OEM# 35203-36 Chris Products 279-22.