Dodge HTD Belt Sprocket, Type D1F, QD Bore Type, 7/8 to 3-1/2 in Bore Dia, 7.61 in Outside Dia, 7.72 in, 44 Grooves, 14 mm Pitch, 2.13 in Face Width, 8.395 in Flange Dia, E Bushing Positive and non-slip driveNo lubrication requiredNon-stretchCorrosion resistantAbrasion resistantVirtually no backlashLong lifeLow maintenance