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COMP Cams 12-690-47

COMP Cams Comp Cams Oval Track Camshafts

249-12-690-47

Free Shipping Estimated to ship directly from the manufacturer on 10/29/18

$222.99
COMP Cams Comp Cams Oval Track Camshafts $222.99
QTY
Oval Track Mechanical Flat Tappet Camshaft
Chevrolet 262-400ci 1955-1998
4 & 7 Swap
Lift: .558"/.549"
Duration: 290°/300°
Lobe Separation Angle: 106°
RPM Range: 3400-7200

COMP Cams 12-690-47 Details

Small Block Chevrolet 262-400ci 1955-1998

  • Mechanical Flat Tappet (4 & 7 Swap Firing Order)

    3/8-1/2 Tight. 360+ cid. 12:1+ 4bbl with good intake & exhaust.

  • Specifications:

    Exhaust Valve Lift (in.)
    0.549
    Intake Valve Lift (in.)
    0.558
    Int. Duration @ .050 in. (Deg)
    260
    Exh. Duration @ .050 in. (Deg)
    266
    Int. Duration Advertised (Deg)
    290
    Exh. Duration Advertised (Deg)
    300
    Engine Make/Size
    Chevy Small Block (262-400)
    Lifter Type
    Mechanical Flat Tappet
    RPM Range
    3400-7200
    Usage
    Strip
    Advertised Duration
    290 int./300 exh.
    Advertised Exhaust Duration
    300
    Advertised Intake Duration
    290
    Basic Operating RPM Range
    3,400-7,200
    Cam Style
    Mechanical flat tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    260 int./266 exh.
    Exhaust Duration at 050 inch Lift
    266
    Exhaust Valve Lash (in.)
    0.018
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.549
    Grind Number
    47S 290XOS
    Intake Duration at 050 inch Lift
    260
    Intake Valve Lash (in.)
    0.016
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.558
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.558 int./0.549 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    106
    Manufacturer's Part Number:
    12-690-47

    Comp Cams Oval Track Camshafts are specifically designed for oval track racing. These cams are available for a variety of engine configurations, track lengths, and conditions so there's sure to be one to meet your needs.


    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.

  • Items You Need

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

    Motor Vehicles

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    Tools:

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    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.