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.
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
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.