Includes spring seats - shipped loose. Spindle: 1-1/16"; Inner Bearing: 5744649; Outer Bearing: 5744649. *Min./Max. Distance Between Track and Spring Centers = 8-1/2" - 12-1/2". Difference between track and overall is 5" per axle. *Spring Seats must be attached to axle within these measurements. For Component Parts you must order: 4 Lug Hub #6531200; 5 Lug Hub #6532300; Tie Plate Kit #6523000; U-Bolts #7900007; and Grease Seals #6520940. You must order seals even if ordering hub kits.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov