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COMP Cams 689-423-13

XFI AFM Hydraulic Roller Camshaft GM LS, GEN IV 2008-Present (Single-Bolt) Lift: .500"/.500"

COMP Cams 689-423-13
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249-689-423-13

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COMP Cams 689-423-13 XFI AFM Hydraulic Roller Camshaft GM LS, GEN IV 2008-Present (Single-Bolt) Lift: .500"/.500" $497.99
XFI AFM Hydraulic Roller Camshaft
GM LS, GEN IV 2008-Present (Single-Bolt)
  • Lift: .500"/.500"
  • Duration: 274°/286°
  • Lobe Separation Angle: 116°
  • RPM Range: 2000-6900

  • COMP Cams 689-423-13 Details

    XFI AFM Hydraulic Roller Camshafts

  • W/ VVT (12606358) & AFM
  • 2008-Present

  • Strong Power Gains
  • Smooth Idle

  • Specifications:

    Exhaust Valve Lift (in.)
    0.5
    Intake Valve Lift (in.)
    0.500
    Int. Duration @ .050 in. (Deg)
    222
    Exh. Duration @ .050 in. (Deg)
    234
    Int. Duration Advertised (Deg)
    274
    Exh. Duration Advertised (Deg)
    286
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Performance
    Engine Make/Size
    Chevy LS Series
    RPM Range
    2000-6900
    Advertised Duration
    286 int./298 exh.
    Advertised Exhaust Duration
    298
    Advertised Intake Duration
    286
    Basic Operating RPM Range
    2,000-6,900
    Cam Style
    Hydraulic roller tappet
    Camshaft Gear Attachment
    1-bolt
    Computer-Controlled Compatible
    Yes
    Duration at 050 inch Lift
    224 int./236 exh.
    Exhaust Duration at 050 inch Lift
    236
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.5
    Grind Number
    274PIIHR16
    Intake Duration at 050 inch Lift
    224
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.5
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.500 int./0.500 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    116
    Manufacturer's Part Number:
    689-423-13

    Since the introduction of, GM's LS/Gen IV engine has quickly become the ''preferred choice'' among many engine builders and performance enthusiasts. Right from the factory, the GM LS/Gen IV engine boasts a surprisingly efficient induction design, reduced weight and impressive power output. As the leading developer of high performance LS/Gen IV valve train technology, Comp Cams has engineered a full line of products proven to release the incredible horsepower and torque hidden inside while never sacrificing ever-critical reliability.

    Features:
  • Take advantage of today's newer and better flowing aftermarket cylinder heads
  • Feature higher exhaust duration and overall lift to provide broadest powerband and most top end power of any COMP Cams LS camshaft
  • Unique grinds for both cathedral & rectangle port heads
  • Require 26926-16 high pressure valve springs

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