American Automotive Silverado Sierra 2500HD 3500HD 1-2″ Lift U Bolts 12.5″ Extra Long OEM Material

About this item FITMENT: 2001 – 2010 Silverado Sierra 1500HD 2500HD 3500HD 8-LUG 4WD/2WD; 2.5″ Axles only and DOES NOT fit models with spring overloads CONTENTS: 4 certified carbon steel square leaf spring axle u-bolts. Specs are 12 Inch Length, 2.5 Inch Width, 9/16 Inch Thread Pitch with 5″ thread can be cut down to fit other applications and grade 8 hi-nuts and security spring washers. TECHNICAL NOTES: Retighten u-bolts after the first 500 miles; Minor settling from new or repaired springs can cause a reduction in clamp force BENEFITS: American leaf spring axle u-bolts are designed for maximum u bolt clamp and embody extreme strength; These ubolts provide an even distribution of pressure to protect against premature spring failure and unwanted movement; Made of OEM factory material American u bolts maintain original vehicle handling characteristics and are guaranteed for life