ELGIN TRAILER PARTS 7000 lb Tandem Suspension kit Replace 3,500 lb each axle with 2 3/8" axle tube Nylon bushings already installed in equalizers U-bolt kit includes 8 of 2 3/8" inside diameter round u-bolts (1/2" ) and nuts 4 u-bolt axle plates 2 equalizers, ( Overall length is 9" and height is 4 1/2" ) 8 - 2 5/8" shackles, measured center to center 14 shackle bolts and lock nuts (9/16") Free shipping to the USA. ----------------------- Return and Refund Policy: Returns are made through returns Money back or exchange. Contact us by, "respond to Seller" before shipping the product back. All Items are returnable within 30 days from the date of purchase. Credit will be given within 1-10 days of receiving the item.