Dodge HTD Belt Sprocket, Type C1F, QD Bore Type, 1/2 to 1-11/16 in Bore Dia, 3.715 in Outside Dia, 3.76 in, 60 Grooves, 5 mm Pitch, 1.28 in Face Width, 4.044 in Flange Dia, SH Bushing 200% rating of HTDQuieter operationMore compactPositive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashClean operationLong lifeLow maintenance