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COMP Cams 12-863-9

Comp Cams Oval Track Camshafts

COMP Cams 12-863-9

249-12-863-9

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COMP Cams 12-863-9 Comp Cams Oval Track Camshafts $340.99
Oval Track Mechanical Roller Camshaft
Chevrolet 262-400ci 1955-1998
Lift: .648"/.645"
Duration: 291°/304°
Lobe Separation Angle: 108°
RPM Range: 3400-7600

COMP Cams 12-863-9 Details

Small Block Chevrolet 262-400ci 1955-1998

  • Mechanical Roller
  • Xtreme TK Roller
  • (.900" Base)

    .900 base circle, 415-430 Great bottom end for short tacky track.

  • Specifications:

    Exhaust Valve Lift (in.)
    0.645
    Intake Valve Lift (in.)
    0.648
    Exh. Duration @ .050 in. (Deg)
    272
    Exh. Duration Advertised (Deg)
    304
    Engine Make/Size
    Chevy Small Block (262-400)
    Lifter Type
    Mechanical Roller
    RPM Range
    3700-7600
    Int. Duration Advertised (Deg)
    291
    Usage
    Strip
    Int. Duration @ .050 in. (Deg)
    263
    Advertised Duration
    291 int./304 exh.
    Advertised Exhaust Duration
    304
    Advertised Intake Duration
    291
    Basic Operating RPM Range
    3,400-7,600
    Cam Style
    Mechanical roller tappet
    Computer-Controlled Compatible
    No
    Duration at 050 inch Lift
    263 int./272 exh.
    Exhaust Duration at 050 inch Lift
    272
    Exhaust Valve Lash (in.)
    0.02
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.645
    Grind Number
    291TKNR-8
    Intake Duration at 050 inch Lift
    263
    Intake Valve Lash (in.)
    0.016
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.648
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.648 int./0.645 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    108
    Manufacturer's Part Number:
    12-863-9

    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.

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