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COMP Cams 54-475-11

LSR Rectangular Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .624"/.624"

COMP Cams 54-475-11

249-54-475-11

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COMP Cams 54-475-11 LSR Rectangular Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .624"/.624" $401.99
LSR Rectangular Port Hydraulic Roller Camshaft
GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt)
  • Lift: .624"/.624"
  • Duration: 305°/321°
  • Lobe Separation Angle: 115°
  • RPM Range: 2800-7200

  • COMP Cams 54-475-11 Details

    LSR Rectangular Port Hydraulic Roller Camshafts

  • For Large Displacement Only, 6.2L-7.4L

  • Purpose Built Applications
  • Focusing On Power Above 6000 RPM
  • Engines w/Cathedral Port Heads
  • 1 Year Limited Warranty

  • Specifications:

    Exhaust Valve Lift (in.)
    0.624
    Intake Valve Lift (in.)
    0.624
    Int. Duration @ .050 in. (Deg)
    255
    Exh. Duration @ .050 in. (Deg)
    271
    RPM Range
    2800-7200
    Int. Duration Advertised (Deg)
    305
    Exh. Duration Advertised (Deg)
    321
    Lifter Type
    Hydraulic Roller
    Usage
    Street/Performance
    Engine Make/Size
    Chevy Small Block LS1
    Advertised Duration
    305 int./321 exh.
    Advertised Exhaust Duration
    321
    Advertised Intake Duration
    305
    Basic Operating RPM Range
    2,800-7,200
    Cam Style
    Hydraulic roller tappet
    Camshaft Gear Attachment
    3-bolt
    Computer-Controlled Compatible
    Yes
    Duration at 050 inch Lift
    255 int./271 exh.
    Exhaust Duration at 050 inch Lift
    271
    Exhaust Valve Lift with Factory Rocker Arm Ratio (
    0.624
    Grind Number
    305LRRHR15
    Intake Duration at 050 inch Lift
    255
    Intake Valve Lift with Factory Rocker Arm Ratio (i
    0.624
    Quantity
    Sold individually
    Valve Lift with Factory Rocker Arm Ratio
    0.624 int./0.624 exh.
    Valve Springs Required
    Yes
    Lobe Separation (Deg)
    115
    Manufacturer's Part Number:
    54-475-11

    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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