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COMP Cams 11-747-14

COMP Cams Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .748"/.748" Duration 321/336 RPM Range 5000-8500

249-11-747-14

Free Shipping Estimated to ship directly from the manufacturer on 12/26/18

$459.99
COMP Cams Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .748"/.748" Duration 321/336 RPM Range 5000-8500 $459.99
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Drag Race Mechanical Roller Camshaft
4/7 Swap Firing Order
Lift .748"/.748"
Duration 321/336
RPM Range 5000-8500

COMP Cams 11-747-14 Details

Chevy 396-454ci Big Block 1965-96

  • 4&7 Swap Firing Order

    *Note:Has a 4 and 7 firing order swap.

    **Note: Requires upgraded gear, thrust button & wear plate.

    396-454ci, 5000+ stall converter, 13:1 compression, good heads, small nitrous.

    Operating Range:5000-8500 RPM
    Duration Advertised:321° Intake / 336° Exhaust
    Duration @ .050'' Lift:286° Intake / 296° Exhaust
    Valve Lift w/Factory Rockers:.748'' Intake / .748'' Exhaust
    Valve Setting:.026'' Intake / .028'' Exhaust
    Lobe Separation Angle:112°

  • Specifications:

    Exhaust Valve Lift (in.)
    0.748
    Intake Valve Lift (in.)
    0.748
    Int. Duration @ .050 in. (Deg)
    286
    Exh. Duration @ .050 in. (Deg)
    296
    Int. Duration Advertised (Deg)
    321
    Exh. Duration Advertised (Deg)
    336
    RPM Range
    5000-8500
    Engine Make/Size
    Chevy Big Block (396-454)
    Lifter Type
    Mechanical Roller
    Usage
    Strip
    Lobe Separation (Deg)
    112
    Advertised Duration
    321 int./336 exh.
    Advertised Exhaust Duration
    336
    Advertised Intake Duration
    321
    Basic Operating RPM Range
    5,000-8,500
    Cam Style
    Mechanical roller tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    286 int./296 exh.
    Exhaust Duration at 050 inch Lift
    296
    Exhaust Valve Lash (in.)
    0.028
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.748
    Grind Number
    47S 321-R12
    Intake Duration at 050 inch Lift
    286
    Intake Valve Lash (in.)
    0.026
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.748
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.748 int./0.748 exh.
    Valve Springs Required
    Yes
    Manufacturer's Part Number:
    11-747-14

    Roller Cam For On Demand Power

    Camshafts specifically designed for use in all ''Super'' catagory cars, especially those equipped with throttle stops. These powerful Comp Cams offer crisp, immediate throttle response and excellent repeatability, plus are relatively easy on valve train parts.

    Features:
  • Wide assortment of racing camshafts for all application requirements of drag, oval track and puller & mud competitors
  • Require accurate assessment of rear end gearing and other vehicle-based equipment to deliver top performance
  • Not made for street use or vehicles requiring accessory drive equipment, such as power brakes, air conditioning, etc.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

  • 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.