COMP Cams Xtreme Energy 274H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .488" /.491" Duration: 274°/286° RPM Range: 1800-6000
249-CL51-224-4
Items You Need
Pontiac 265-455ci V-8 1955-81
| Operating Range: | 1800-6000 RPM |
| Duration Advertised: | 274° Intake / 286° Exhaust |
| Duration @ .050'' Lift: | 230° Intake / 236° Exhaust |
| Valve Lift w/1.5 Rockers: | .488'' Intake / .491'' Exhaust |
| Lobe Separation Angle: | 110° |
Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;
High performance street, very strong mid-range, headers and 2200+ stall.
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.