Mr Gasket HEADLOCK Locking Header Bolts 1955-96 Chevy & Ford Engines
720-2231G

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Mr. Gasket HEADLOCK Locking Header Bolts make installing headers easy thanks to their high-strength 2-in-1 self-locking design that eliminates the use of lock washers. These innovative fasteners feature 24 equally spaced serrations in the face of the hex head that grab and lock on to the manifold surface. This eliminates the chance of them backing out from vibration or because of metal expansion. Manufactured from stainless steel, these bolts are designed to withstand tensile strengths of 150,000 pounds per square inch. They also have a high quality bright polished finish.
Motor Vehicles
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.
Tools:
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.
Electrical Cords
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.