Collection: Auto - Woodruff Key

Lock critical rotating components perfectly onto their driving shafts, completely eliminate high-RPM mechanical slippage variables, and prevent catastrophic timing sync failures under extreme load with our selection in the Auto - Woodruff Key collection. At DIY Customs, we provide high-tensile steel woodruff keys, semi-circular crankshaft slots, camshaft alignment keys, harmonic balancer alignment fasteners, and matching heavy-duty installation hardware designed for a seamless and perfect fit across a variety of mechanical assemblies. Whether you are replacing a hardened crankshaft key to anchor an upgraded underdrive pulley layout safely on a modified racing hot rod, outfitting your shop garage workspace configuration with bulk semi-circular alignment hardware to overhaul timing gear loops on a hardworking utility commercial truck, or sourcing localized structural fasteners for a daily commuter restoration project, our professional car audio and valvetrain maintenance accessories deliver the exact sheer resistance and material density profiles you need at unbeatable prices. From raw layout keyway inserts to direct-fit structural components built for popular domestic and import engine blueprints, we carry the ultimate mechanical securement essentials. Don't see your specific woodruff key thickness indices, exact millimeter width constraints, or specialized manufacturer formatting profile? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what your mechanical rebuild or performance modification layout requires directly to your doorstep!