FITMENT: 2002-2008 RAM 1500 2WD/ 4WD; Fits All Models with 3.5" Axle Only / Does Not Fit Mega Cab Models SPECIFICATIONS: 11 Inch Length, 3.25 Inch Width, 4 Inch Thread Length, 9/16 Inch Thread Pitch CONTENTS: 4 certified carbon steel round leaf spring axle u-bolts with grade 8 hi-nuts, security spring washers and Installation Instructions 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