Replace your factory u-bolts with these zinc plated corrosion resistant Tuff Country 17757 GM Truck/SUV u-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:

• 1973-1987 Chevrolet Truck 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
• 1973-1991 Chevrolet Suburban 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
• 1973-1991 Chevrolet Blazer 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
• 1973-1987 GMC Truck 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
• 1973-1991 GMC Suburban 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
• 1973-1991 GMC Jimmy 1/2 Ton 4WD (Lifted by 5.5 inch blocks)
  
  

Tech Specs:

• Bolt Diameter: 5/8 Inch
• Inside Diameter: 3 Inches
• Length: 14 Inches
• Bend Type: Round