Manley Ford 351 Windsor Forged Crankshaft - 4.100in Stroke

Manley Performance is well-known for making strong, reliable internal engine components, and their Pro Series crankshafts are a prime example of that commitment. If you're building a Ford 351 Windsor and looking to increase displacement or build a serious performance engine, this forged 4.100-inch stroke crankshaft is a solid foundation. It's designed to handle the demands of a stroker build, potentially turning your 4.6L into a 5.0L or larger depending on your bore size.

This crankshaft is forged from 4340 alloy steel, a material chosen for its exceptional strength and durability, especially under high stress. Manley enhances this strength further with a multi-step heat treatment process and nitriding, which hardens the surface and increases wear resistance. The rod journals are lightened, and the counterweights are fully profiled to ensure precise balance and stability, which is crucial for smooth operation at higher RPMs. To minimize friction and maximize performance, the journals are also given a large radius and a micro-polished finish. Every crankshaft goes through rigorous quality assurance, including stress relief, shot peening, and 100% magnafluxing, so you know it meets Manley's strict standards.

When you're building an engine of this caliber, using a forged crankshaft like this Manley unit is essential for reliability and performance. It's built to withstand the increased pressures and stresses that come with a larger displacement and higher horsepower output. Be sure to consult your engine builder or a trusted mechanic for specific recommendations regarding balancing and assembly for your particular build.