Ford Performance CYLINDER HEAD X2 STREET
397-M-6049-X2
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NEW AND IMPROVED "X2" CYLINDER HEAD IS MANUFACTURED FROM ALL-NEW TOOLING, MACHINED, AND ASSEMBLED WITH PREMIUM HARDWARE. THIS PROVIDES A FAST, EASY WAY TO BOLT ON SIGNIFICANT HORSEPOWER TO YOUR STREET CRUISER PACKAGE! High quality original equipment style 356-T6 aluminum castings, precision machined, and assembled with premium components. Includes Ford Performance M-6507-J302 intake valves, M-6505-G302 exhaust valves, and PAC(R) 1219X Ovate Beehive valve springs. Features wider valve cover gasket sealing rail to prevent leaks. Machined for gasket seat spark plug. Compatible with all Ford Performance roller camshafts and aftermarket hydraulic roller camshafts up to .600" lift. Work with many aftermarket intake manifolds, headers, and valve train components. Compatible with bolt down rockers 1.6-1.7 ratio, always check rocker arm clearance to valve springs with production rocker arms. Depending on lifter preload, Ford Performance Rocker Shim Kits M-6529-A302 or M-6529-B302 may be required. Each aluminum head weighs approximately 25 lbs. lighter than each production cast iron head. Each head is leak tested prior to assembly .
Specifications:
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.