Dodge High Torque Belt Sprocket, Type A1F, Series: HT250, Taper-Lock Bore Type, 1/2 to 2-11/16 in Bore Dia, 7.61 in Outside Dia, 7.72 in, 44 Grooves, 14 mm Pitch, 2.13 in Face Width, 8.343 in Flange Dia, 2517 Bushing Positive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashLong lifeLow maintenance