Manley Ford 351 Windsor Forged Crankshaft - 4.100in Stroke - 190340

Lightweight Design, 4340 Material: Manufactured from forged 4340 material and featuring lightened rod journals for optimized engine performance. Counterweights are fully profiled to ensure precise balance and stability.Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.Increase Displacement with a ?Stroker? Crankshaft: These cranks feature either the stock 3.543? stroke or an increased stroke of 3.750?, turning your 4.6L into a 5.0L or larger depending on your bore.