Lunati Signature Series Crankshafts are made from a specialized non-twist 4340 forged steel construction and proven to withstand applications well over 1500 horsepower making them the strongest crankshaft available. They are the best choice for racing with many design features such as gun drilled mains, lightened rod journals, micropolished journals and a windage reducing contoured wing counterweight profile. To increase strength and durability, each Signature Series crankshaft is pulsed plasma nitride heat treated.Note: All Lunati crankshafts MUST use narrow or chamfered main & rod bearings.
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.