Product Summary

LS3, Mechanical Roller Tappet Camshaft Type

    Key Specs

    MFG. Part #54-311-11
    BrandCOMP Cams

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    Best 3000-7000 RPM average torque & HP of any cam designed for stock pistons with factory valve reliefs. Valve train stable to 7500 RPM w/ CK & MK Kits.

    • For Stage 1 LST Max Horsepower Solid Roller Cam for LS 3-Bolt Engines
    • Cam Type: Solid Roller
    • Basic Operating RPM Range: 2,800-7,500
    • Intake Duration at .050 Inch Lift: 234
    • Exhaust Duration at .050 inch Lift: 248
    • Advertised Intake Duration: 274
    • Advertised Exhaust Duration: 288
    • Lobe Separation: 111.5
    • Intake Valve Lift: 0.672
    • Exhaust Valve Lift: 0.668
    • Lifters Included: No
    • Valve Springs Required: Yes
    • Assembly Lubricant Included: No
    • Camshaft Gear Attachment: 3-Bolt
    • Camshaft Material: Billet Steel
    • Lifter Style: Solid Roller
    • Complete Kit Upgrade: CK54-311-11
    • Stage: 1

    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.


    MFG. Part #54-311-11
    BrandCOMP Cams
    Camshaft TypeMechanical Roller Tappet
    RPM Range2800-7500
    Intake Duration274
    Exhaust Duration288
    Intake Duration (.050" Lift)234
    Exhaust Duration (.050" Lift)248
    Intake Valve Lift w/ Rocker Arm Ratio0.672"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.668"
    Lobe Separation115 °
    Material TypeBillet Steel
    Computer Controlled CompatibleYes
    GTIN Code00036584386346
    Valve Springs RequiredYes
    Gear Attachment3-Bolt
    Sold in QuantityEach
    NotesFor stock pistons with stock valve reliefs. Computer tuning required.