Aftermarket steer axle springs and hangers can improve the front suspension performance of your Peterbilt 387. Installing these parts can lead to better shock absorption, steering responsiveness, stability, and vibration reduction on the road. We've got everything from leaf springs and shims to hangers and bushings, all built for durability and a perfect fit. You can select from trusted brands like BESTfit and Hendrickson, ensuring you get suspension parts that offer smooth handling, proper alignment, and a comfortable ride.