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COMP Cams 54-457-11

LSR Cathedral Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .610"/.617"

COMP Cams 54-457-11

249-54-457-11

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COMP Cams 54-457-11 LSR Cathedral Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .610"/.617" $381.99
LSR Cathedral Port Hydraulic Roller Camshaft
GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt)
  • Lift: .610"/.617"
  • Duration: 273°/281°
  • Lobe Separation Angle: 112°
  • RPM Range: 1700-6800 >

  • COMP Cams 54-457-11 Details

    LSR Cathedral Port Hydraulic Roller Camshafts

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

    Steady power throughout broad range. Need aftermarket airflow improvements on inlet and exhaust.

    Operating Range:1700-6800 RPM
    Duration Advertised:273° Intake / 281° Exhaust
    Duration @ .050'' Lift:223° Intake / 231° Exhaust
    Valve Lift:.610'' Intake / .617'' Exhaust
    Lobe Separation Angle:112°

  • Specifications:

    Intake Valve Lift (in.)
    0.610
    Int. Duration @ .050 in. (Deg)
    223
    Exh. Duration @ .050 in. (Deg)
    231
    Exh. Duration Advertised (Deg)
    281
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Performance
    Int. Duration Advertised (Deg)
    273
    Engine Make/Size
    Chevy Small Block LS1
    RPM Range
    1700-6800
    Exhaust Valve Lift (in.)
    0.617
    Lobe Separation (Deg)
    112
    Advertised Duration
    273 int./281 exh.
    Advertised Exhaust Duration
    281
    Advertised Intake Duration
    273
    Basic Operating RPM Range
    1,700-6,800
    Cam Style
    Hydraulic roller tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    Yes
    Duration at 050 inch Lift
    223 int./231 exh.
    Exhaust Duration at 050 inch Lift
    231
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.617
    Grind Number
    273LRHR12
    Intake Duration at 050 inch Lift
    223
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.61
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.610 int./0.617 exh.
    Valve Springs Required
    Yes
    Manufacturer's Part Number:
    54-457-11

    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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