Ford Performance Exhaust Valve Head Diameter: 1.600"
397-M-6505-B304

Exhaust Valve
These Ford Racing valves are available in several configurations to cover a variety of engines and requirements. They're high-quality steel valves that are ideal for your Ford engine project.
Specifications:
Ford Cylinder Head Valves
Ford Racing Valves are a direct replacement for your Ford Racing Cylinder Heads. Instead of taking dimensions leafing through catalogs and hoping you found the right parts to let you get your engine back together and running, just order the exact replacements for your combination. Since most performance Ford cylinder head designs are similar you can also you Ford valves as replacement parts on your other brand cylinder heads. Just verify the dimensions and materials match and you are ready to order. FeaturesMotor 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.