Replace your factory u-bolts with these zinc plated corrosion resistant Tuff Country 37755 Dodge Ram 2500|3500 u-bolts and bolts. Designed specifically for lifted vehicles. This kit includes (4) u-bolts along with nuts and washers.Details: Rear Axle U-Bolt Kit Zinc plated to resist corrosion (4) U-bolts, nuts and washers Designed specifically for lifted vehicles Made In The USA Sold As A Kit Fits: 1994-2002 Dodge Ram 2500 4WD with Contact Overloads (Lifted w/5.5 inch blocks) 1994-2002 Dodge Ram 3500 4WD with Contact Overloads (Lifted w/5.5 inch blocks) Installation Notes: Fits models with factory contact overloads only Tech Specs: Bolt Diameter: 9/16 Inch Inside Diameter: 3 Inch Length: 18 Inch Bend Type: Square