Manley Crankshaft Crank-4340 Forge 3.875 Stroke - 190480
Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.
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Lightweight Design 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging ensuring durability and performance.<
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Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.<
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Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.<
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Rigorous Quality Assurance: Each crankshaft undergoes stress relief shot peening and 100% magnafluxing to meet our stringent quality standards.<
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Manley Performance was founded by Hank Manley in 1966
his desire for speed and to win led him to build his own racing engines. Since that time Manley has continued to evolve
using the knowledge they have gained since the beginning and building on that to continue to bring the best engine components to the market. The goal at Manley Performance remains laser focused on designing and producing the highest quality internal engine components at extremely competitive prices coupled with excellent customer service.
