Dodge HTD Belt Sprocket, Type A1F, QD Bore Type, 1/2 to 2-5/8 in Bore Dia, 5.56 in Outside Dia, 5.614 in, 56 Grooves, 8 mm Pitch, 3-3/4 in Face Width, 6.014 in Flange Dia, SK Bushing Positive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashLong lifeLow maintenance