3.58-Inch Stroke 4340 Steel Crankshaft

It is constructed from robust 4340 steel, ensuring superior strength and durability for demanding applications. The crankshaft undergoes surface hardening and features precision-ground, heat-treated components, including radiused fillets at the main and rod journals, and a six-bolt flange for secure connection. This particular model offers a 3.58" stroke, specifically designed for 318/340 main journal engines. It is part of Mopar's classic restoration and performance parts line, aimed at enthusiasts seeking to optimize their engine's output. Compatibility is noted for 318/340 "LA" and 5.2L Magnum engines. Installation of this forged crankshaft requires professional balancing to ensure optimal performance and to prevent vibrations. While this specific crankshaft features a 3.58" stroke, it's important to note that Mopar also offers a 4.00" stroke variant which requires block clearancing.