This spacer is built for use in differential gear set applications on the axle and driveline. It is supplied as a single unit rather than in a multi-pack.FeaturesSpacerPart number BSP-7043Sold individually (each)Used in differential and axle applicationsTech SpecsHeight: 12.001 inWidth: 12.001 inLength: 12.001 inUnit of Measure: EachUsed in these Mack modelsCRD 93 / CRD 113 DifferentialCRDPC 92 / CRDPC 112 Differential