Collection: Auto - engine crank shaft

Build the heart of your engine with our selection of Auto Engine Crank Shaft components. At DIY Customs, we provide high-quality replacement crankshafts, complete rotating assemblies, precision main bearings, and durable crankshaft position sensors designed for a perfect fit. Whether you are performing a standard bottom-end rebuild or building a high-performance stroker engine, our professional-grade hardware offers the strength and balance you need at unbeatable prices. From crankshaft seal kits and retainers to harmonic balancer pulleys and thrust washers, we carry the essential components for a reliable build. Don't see the specific forged crank or oversized main bearing for your project? 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!