LSR Rectangular Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .621"/.624"
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COMP CAMSPART NUMBER: 249-54-470-11

LSR Rectangular Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .621"/.624"

$40495
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LSR Rectangular Port Hydraulic Roller Camshafts
  • All Out Power for 5.7L-6.2L
    • LSR Rectangular Port Hydraulic Roller Camshaft
      GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt)
    • Lift: .621"/.624"
    • Duration: 285°/301°
    • Lobe Separation Angle: 113°
    • RPM Range: 2200-7200

    • Strong Midrange To High End Torque And Horsepower
    • For LS Engine w/Rectangular Cylinder Heads
    • 1 Year Limited Warranty

      GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed


      Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    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.

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    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
    Part TypeCamshaft
    Product LineComp Cams LSR Roller Camshafts For GM LS-Series/Gen III Engines
    BrandCOMP CAMS
    Package Height3.0
    Package Width3.0
    Package Length24.5
    Weight9.77 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)251
    Cam StyleHydraulic roller tappet
    Grind Number285LRRHR13
    Exh. Duration Advertised (Deg)301
    Engine Make/SizeChevy Small Block LS1
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.621
    Int. Duration @ .050 In. (Deg)235
    Basic Operating Rpm Range2,200-7,200
    Intake Valve Lift0.621 in (15.773 mm)
    Computer-Controlled CompatibleYes
    Int. Duration Advertised (Deg)285
    Lobe Separation (Deg)113
    Rpm Range2200-7200
    Advertised Duration285 int./301 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.624
    UsageStreet/Performance
    Valve Lift With Factory Rocker Arm Ratio0.621 int./0.624 exh.
    Camshaft Gear Attachment3-bolt
    QuantitySold individually
    Exhaust Valve Lift0.624 in (15.85 mm)
    Advertised Intake Duration285
    Intake Duration At 050 Inch Lift235
    Exhaust Duration At 050 Inch Lift251
    Advertised Exhaust Duration301
    Lifter TypeHydraulic Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift235 int./251 exh.
    Valve Springs RequiredYes
    Vendor Part Number54-470-11
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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