454ci Main Journal Diameter
Note: Manley crankshafts are not intended for use with highly boosted Roots-style cog belt driven superchargers.
4340 Non-Twist Forging
Manley builds one of the best crankshafts available for our high performance world! Many engine building superstars rely on Manley forgings to throw down the horsepower numbers we demand, pass after pass. Manley starts with a 4340 steel non-twist forging that undergoes an extensive heat treating and stress relieving process. After that, it is shot peened, nitrided and 100% magnafluxed to ensure complete structural integrity was maintained throughout the forging process for durability and longevity.
What amount of HORSEPOWER WILL PART#190290 hold up to!
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WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.