Speedmaster DNA Aluminum Roller Rocker Arm Set Small Block Ford 289, 302, 351 Windsor
746-1-261-041
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Small Block Ford
DNA Roller Rocker Arms are made from aircraft-quality, heat-treated aluminum and are the toughest and most innovative rockers that Speedmaster offers. DNA Stud-Mount Rockers are designed to withstand up to 360-lb valve spring loads, and the extruded body has over 60,000 PSI of tensile strength. Studs and Guide Plates are required (sold separately).
Specifications:
Are these adjustable also
Will these work on factory 5.0 heads?
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.