Product Summary

Hydraulic Roller Tappet Camshaft Type, Billet Steel

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    Key Specs

    Camshaft TypeHydraulic Roller Tappet
    RPM Range3300-7500
    Intake Duration (.050" Lift)243
    Exhaust Duration (.050" Lift)254
    Lobe Separation111 °
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    COMP Cams 54-305-11 Details

    Best average HP over wide RPM range. Requires aftermarket pistons w/ valve reliefs. Perfect for serious LS3 street and track build. 7500 RPM stability with CK and MK Kits.

    • For 1997-2015 GM LS GEN III/IV 3-Bolt 8 Cylinder
    • Aftermarket Pistons
    • Lifter Style: Hydraulic Roller
    • Complete Kit Upgrade: CK54-305-11
    • Stage: 1
    • Master Kit Upgrade: MK54-305-11
    • Recommended Upgraded Stock Rocker Arms: 1478-16
    • Recommended Max-Lift BSR Shaft Rocker System: 1982-16
    • Recommended Cam Install Kit: 5621
    • Camshaft Series: Low Shock Technology
    • Cam Type: Hydraulic Roller
    • Basic Operating RPM Range: 3,300-7,500
    • Intake Duration at .050 Inch Lift: 243
    • Exhaust Duration at .050 inch Lift: 254
    • Advertised Intake Duration: 298
    • Advertised Exhaust Duration: 303
    • Lobe Separation: 111
    • Intake Valve Lift: 0.663
    • Exhaust Valve Lift: 0.655
    • Lifters Included: No
    • Valve Springs Required: Yes
    • Assembly Lubricant Included: No
    • Camshaft Gear Attachment: 3-Bolt
    • Camshaft Material: Billet Steel
    • Lifter Style: Hydraulic Roller

    Guides & Documents

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    COMP Cams 54-305-11 Specifications

    KEY SPECS
    MFG. Part #54-305-11
    BrandCOMP Cams
    Camshaft TypeHydraulic Roller Tappet
    RPM Range3300-7500
    Intake Duration (.050" Lift)243
    Exhaust Duration (.050" Lift)254
    Lobe Separation111 °
    GENERAL
    Gear Attachment3-Bolt
    Intake Valve Lift w/ Rocker Arm Ratio0.633"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.655"
    Computer Controlled CompatibleYes
    Intake Duration298
    Exhaust Duration303
    Material TypeBillet Steel
    Sold in QuantityEach
    GTIN Code00036584386322
    Valve Springs RequiredYes
    NotesFor LS3 applications with aftermarket pistons and valve reliefs.

    Questions & Answers

    Fitment

    • GM LS3

    • GM LS3

    • GM LS3

    • GM LS3

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