Sterling A-Series Drive Axle Springs & Hangers: Built for Tough Roads Keep your Sterling A-Series suspension solid with heavy-duty alignment washers, center bolts, spring clips, and flange bolts designed for maximum durability and performance. What makes them great? Grade 8 bolts, lock washers, and bushings built to handle tough hauls Fits Sterling, Ford, Hendrickson, and more for a perfect fit Reliable replacement parts to keep your rig running smoothly Whether you?re replacing worn parts or upgrading your suspension, these rugged components are built to handle the road and last the miles!