Product Summary

L99, Hydraulic Roller Tappet Camshaft Type

    Key Specs

    MFG. Part #MK189-301-13
    BrandCOMP Cams

    Need To Know

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    The Stage 1 LST Master Cam Kit for L99 Camaro delivers the best average torque and horsepower of any L99 cam kit without requiring a looser converter. Includes lifters, VVT limiter, pushrods, dual springs, retainers, spring seats and seals.

    • For Stage 1 LST Master Cam Kit for L99 Camaro w/ Automatic Transmission and VVT
    • Basic Operating RPM Range: 2,000-7,200
    • Intake Duration at .050 Inch Lift: 231
    • Exhaust Duration at .050 inch Lift: 244
    • Advertised Intake Duration: 286
    • Advertised Exhaust Duration: 293
    • Lobe Separation: 111.5
    • Intake Valve Lift: 0.614
    • Exhaust Valve Lift: 0.606
    • Lifters Included: Yes
    • Valve Springs Included: Yes
    • Assembly Lubricant Included: No
    • Camshaft Gear Attachment: 1-Bolt
    • Camshaft Material: Billet Steel
    • Lifter Style: Hydraulic Roller
    • Retainers Included: Yes
    • Locks Included: Yes
    • Pushrods Included: Yes
    • Gaskets Included: No
    • Timing Set Included: Yes
    • Valve Seals Included: Yes
    • Valve Spring Seats Included: Yes
    • Estimated Horsepower Gain with Kit: 75
    • Camshaft Series: Low Shock Technology
    • Cam Type: Hydraulic Roller

    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 #MK189-301-13
    BrandCOMP Cams
    Camshaft TypeHydraulic Roller Tappet
    Intake Duration286
    Exhaust Duration293
    RPM Range2000 to 7200
    Lobe Separation111.5 °
    Intake Duration (.050" Lift)231
    Exhaust Duration (.050" Lift)244
    GTIN Code00036584387015
    Intake Valve Lift w/ Rocker Arm Ratio0.614"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.607"
    Computer Controlled CompatibleYes
    Valve Springs RequiredYes
    Valve Spring IncludedYes
    Lifter TypeHydraulic Roller
    Lifters IncludedYes
    Retainers IncludedYes
    Locks IncludedYes
    Valve Stem Seals IncludedYes
    Timing Chain and Gears IncludedNo
    Assembly Lubricant IncludedNo
    Pushrods IncludedYes
    Rocker Arms IncludedNo
    Gaskets IncludedNo
    Gear Attachment1-Bolt
    Sold in QuantityKit