Dodge HTD Belt Sprocket, Type B1F, QD Bore Type, 1/2 to 1-1/4 in Bore Dia, 2.963 in Outside Dia, 3.008 in, 48 Grooves, 5 mm Pitch, 1.28 in Face Width, 3.328 in Flange Dia, JA Bushing 200% rating of HTDQuieter operationMore compactPositive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashClean operationLong lifeLow maintenance