Skyjacker BUK5560 5.5" Rear Lift Block & U-Bolt Kit

5.5 In. Rear Block And U-bolt Kit Upgrade your trucks rear suspension with heavy duty cast ductile iron lift blocks and grade 8 u-bolts. These 5.5 inch heavy duty cast ductile iron lift blocks are specially designed to lift the rear of your leaf spring vehicle with a tapered design to improve rear differential pinion angle. Complete With All High-Quality Grade Mounting Hardware. Heavy Duty Ductile Iron Cast Rear Blocks. Heavy Duty Grade 8 U-bolts. Retains Ride Quality While Increasing Ride Height.