Replace your factory u-bolts with these zinc plated corrosion resistant Tuff Country 57851 Toyota 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:

• 1986-1995 Toyota Truck 4WD (w/3.25 Inch U-Bolts and Lifted w/ 3 Inch Blocks)
• 1986-1989 Toyota 4Runner 4WD (w/3.25 Inch U-Bolts and Lifted w/ 3 Inch Blocks)

Tech Specs:

• Bolt Diameter: 9/16 Inch
• Inside Diameter: 3.25 Inch
• Length: 10.375 Inch
• Bend Type: Square