LSR Hydraulic Roller Camshaft GM LS2/LS3, GEN IV 2005-Present (Single-Bolt) Lift: .624"/.624"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-146-461-11

LSR Hydraulic Roller Camshaft GM LS2/LS3, GEN IV 2005-Present (Single-Bolt) Lift: .624"/.624"

$51595
ShippingShips on Sep 07, 2026
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LSR Hydraulic Roller Camshafts
  • W/O VVT & AFM
  • 2005-Present
    • LSR Hydraulic Roller Camshaft
      GM LS2/LS3, GEN IV 2005-Present (Single-Bolt)
    • Lift: .624"/.624"
    • Duration: 289°/305°
    • Lobe Separation Angle: 114°
    • RPM Range: 2400-7200

      Broad Top End Power Range, High RPM Race Only.

      Operating Range:2400-7200 RPM
      Duration Advertised:289° Intake / 305° Exhaust
      Duration @ .050' Lift:239° Intake / 255° Exhaust
      Valve Lift:.624' Intake / .624' Exhaust
      Lobe Separation Angle:114°

      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


      Broad top end power range for high RPM race only, single-bolt LS3 applications.

    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

    Part TypeCamshaft
    BrandCOMP CAMS
    Package Height2.75
    Package Width3.0
    Package Length24.5
    Weight10.16 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)355
    Cam StyleHydraulic roller tappet
    Grind Number289LRRHR13
    Exh. Duration Advertised (Deg)305
    Engine Make/SizeChevy 350 LS6
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.624
    Int. Duration @ .050 In. (Deg)239
    Basic Operating Rpm Range2,400-7,200
    Intake Valve Lift0.624 in (15.85 mm)
    Computer-Controlled CompatibleYes
    Int. Duration Advertised (Deg)289
    Lobe Separation (Deg)114
    Rpm Range2400-7200
    Advertised Duration289 int./305 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.624
    UsageStrip
    Valve Lift With Factory Rocker Arm Ratio0.624 int./0.624 exh.
    Camshaft Gear Attachment1-bolt
    QuantitySold individually
    Exhaust Valve Lift0.624 in (15.85 mm)
    Advertised Intake Duration289
    Intake Duration At 050 Inch Lift239
    Exhaust Duration At 050 Inch Lift255
    Advertised Exhaust Duration305
    Lifter TypeHydraulic Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift239 int./255 exh.
    Valve Springs RequiredYes
    Vendor Part Number146-461-11
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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