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COMP Cams 54-458-11

LSR Cathedral Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .614"/.621"

COMP Cams 54-458-11

249-54-458-11

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COMP Cams 54-458-11 LSR Cathedral Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .614"/.621" $377.99
LSR Cathedral Port Hydraulic Roller Camshaft
GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt)
  • Lift: .614"/.621"
  • Duration: 277°/285°
  • Lobe Separation Angle: 113°
  • RPM Range: 1900-7000

  • COMP Cams 54-458-11 Details

    LSR Cathedral Port Hydraulic Roller Camshafts

  • Small Displacement Or Max Torque, 4.8L-5.7L

    Good street/strip camshaft with wide range. Must have substantial airflow upgrades, inlet & exhaust.

    Operating Range:1900-7000 RPM
    Duration Advertised:277° Intake / 285° Exhaust
    Duration @ .050'' Lift:227° Intake / 235° Exhaust
    Valve Lift:.614'' Intake / .621'' Exhaust
    Lobe Separation Angle:113°

  • Specifications:

    Intake Valve Lift (in.)
    0.614
    Exhaust Valve Lift (in.)
    0.621
    Int. Duration @ .050 in. (Deg)
    227
    Exh. Duration @ .050 in. (Deg)
    235
    Int. Duration Advertised (Deg)
    277
    Exh. Duration Advertised (Deg)
    285
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Performance
    Engine Make/Size
    Chevy Small Block LS1
    RPM Range
    1900-7000
    Advertised Duration
    277 int./285 exh.
    Advertised Exhaust Duration
    285
    Advertised Intake Duration
    277
    Basic Operating RPM Range
    1,900-7,000
    Cam Style
    Hydraulic roller tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    Yes
    Duration at 050 inch Lift
    227 int./235 exh.
    Exhaust Duration at 050 inch Lift
    235
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.621
    Grind Number
    277LRHR13
    Intake Duration at 050 inch Lift
    227
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.614
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.614 int./0.621 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    113
    Manufacturer's Part Number:
    54-458-11

    Ever since its introduction, GM's LS/Gen III engine has quickly become the ''preferred choice'' among many engine builders and performance enthusiasts. Right from the factory, the GM LS/Gen III engine boasts a surprisingly efficient induction design, reduced weight and impressive power output. As the leading developer of high performance LS/Gen III 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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