Ford Performance Hydraulic Retrofit Kit Includes X303 Camshaft
397-M-6253-A50K4

Items You Need
Hydraulic Roller Camshaft Retro-Fit Kits
If you have a non-HO 5.0L or an engine that doesn't have all it's necessary parts and pieces for a factory style roller camshaft these kits offer you the components necessary for a roller camshaft and also includes your choice of a camshaft with increased lift and duration to match your application. Note: This conversion kit will require drilling and tapping your lifter valley for installation of lifter tie bars. It is also requires use of a roller cam compatible distributor gear. Roller camshafts require higher spring pressures than flat tappet camshafts. Be sure to check for proper pushrod length. Kits fit 1985-01 302ci, 1994-97 351ci Windsor, 1996-04 SVO blocks & the new Ford Racing Boss 302 block. Kits Include: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.