Collection: Auto - Full Spool

Eliminate differential slip and guarantee 100% power to both wheels with our selection of Auto Full Spool components. At DIY Customs, we provide high-strength chromoly full spools, durable lightweight aluminum spools for drag racing, specialized mini-spools, and heavy-duty differential mounting hardware designed for a perfect fit. Whether you are building a dedicated drag strip car for maximum launch consistency, outfitting a hardcore off-road rig for ultimate crawling traction, or strengthening a rear axle for high-torque applications, our professional-grade hardware offers the mechanical durability you need at unbeatable prices. From specialized axle shaft splines to ring gear bolts and carrier bearings, we carry the essential gear to lock your rear end. Don't see the specific spline count, carrier material, or specialized spool for your axle housing? 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!