Collection: Auto - Spring Eye Adjustment Shim

Fine-tune your vehicle’s suspension geometry and eliminate driveline vibration with our selection of Auto Spring Eye Adjustment Shim components. At DIY Customs, we provide high-strength aluminum and steel leaf spring shims, specialized axle degree wedges, durable spring eye spacers, and heavy-duty center pin extensions designed for a perfect fit on lifted trucks, lowered classics, and custom off-road builds. Whether you are seeking a specialized 2-degree shim to correct pinion angle after a lift kit installation, outfitting your rig with specialized spring eye bushings and shims to eliminate side-to-side play, or seeking specialized hardware to re-center your axle in the wheel well, our professional-grade tuning gear offers the precision and structural integrity you need at unbeatable prices. From specialized tapered wedges to direct-fit shim kits for popular leaf spring platforms like Ford, GM, and Jeep, we carry the essential gear for every alignment project. Don't see the specific degree angle (1° to 8°+), shim width (2.5" / 3"), or specialized material for your heavy-duty application? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!