About this item This kit is for 3,500 lbs 7500 lbs round axle which axle beam dia 2-3/8″. 4 x 5-1/2″ long U bolts, U bolts dia. 1/2″ For 3″ round axle, bolt length 5 1/2″, 1/2″ diameter, for 1 3/4″ spring 8 x 1/2″-20 hex nuts This product is tested and rated for trailer use only.
