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The Manley Pro Series 4.050" stroker crankshaft for Gen III HEMI is a forged 4340 steel unit that increases displacement for 5.7L, 6.1L and 6.4L engines. It features 2.000" rod journals, nitriding and multi‑step heat treatment for added strength, gun‑drilled mains, shot‑peening and profiled counterweights sized for 6.125" rods to reduce windage and improve oil control in high‑output builds.
Manley Crankshaft -4.050 Hemi 58T Relu
