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Crane Cams 118421
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Crane Cams Mechanical Roller Camshaft 1957-87 Small Block Chevy 262-400

271-118421

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$411.64
Crane Cams Mechanical Roller Camshaft 1957-87 Small Block Chevy 262-400 $411.64
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Mechanical Roller Camshaft
  • 1957-87 Small Block Chevy 262-400
  • Gross Lift: .670"/.625"
  • Advertised Duration: 298°/314°
  • RPM Range: 4400-8200
  • Crane Cams 118421 Details

    Small Block Chevy

    Competition only, bracket racing, good mid to upper RPM torque and HP, Super Pro, Super Gas, etc., auto transmission w/race converter, .960" base circle diameter, 12.5 minimum compression ratio advised.

    Note: Use .018" lash on exhaust only for continuous high engine speeds.

    Grind Number: R-268/4467-2S-6.96
    Operating Range:4400-8200 RPM
    Duration Advertised:298° Intake / 314° Exhaust
    Duration @ .050'' Lift:268° Intake / 276° Exhaust
    Valve Lift w/1.5 Rockers:.4467'' Intake / .4167'' Exhaust
    Max Lift Angle:103° BTDC Intake / 109° BBDC Exhaust

    Specifications:

    Manufacturer's Part Number:
    118421

    Designed for operation at ranges that can exceed 10,000 RPM, mechanical roller cams represent the ultimate in efficiency. While a large number of mechanical roller cams are used in purely competition applications, Crane Cams does manufacture less severe roller grinds that are designed for high performance street engines that have higher compression or power-adders. For best results, valve lash must be checked and set periodically.

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    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.