Dodge High Torque Belt Sprocket, Type C2, Series: HT250, Taper-Lock Bore Type, 1/2 to 2-11/16 in Bore Dia, 8.969 in Outside Dia, 9.023 in, 90 Grooves, 8 mm Pitch, 1-1/2 in Face Width, 2/0.13 in Hub Projection, 2517 Bushing Positive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashLong lifeLow maintenance