Computer Controlled Hydraulic Roller Tappet Camshaft Complete Kit RPM Range: 1000-5000
Product Discontinued
COMP CAMSPART NUMBER: 249-K11-412-8

Computer Controlled Hydraulic Roller Tappet Camshaft Complete Kit RPM Range: 1000-5000

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

1965-96 Big Block Chevy 396-454
  • Retro-Fit
    • Computer Controlled Hydraulic Roller Tappet Camshaft Complete Kit
    • RPM Range: 1000-5000
    • Lift: .485"/.485"
    • Advertised Duration: 266°/276°
    • Lobe Seperation Angle 112°

    • Computer Controlled Camshaft
    • 1 Year Limited Warranty

      Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


      For throttle body injection 454.

    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

    Comp Cams computer controlled camshafts are designed for Throttle Body Injection (TBI), Tuned Port Injection (TPI), and Multi-Port Injection systems. They provide the necessary vaccum needed for accessories like power brakes. Some of the more aggressive camshaft grinds may require reprograming of the vehicles ECU.

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    Features:

    • Wide variety of sizes available for significant power gains
    • Available for electronic fuel injected, throttle body injected and tuned port injected engines
    • Available for both stock and modified computer systems
    • Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.
    • Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.
    • Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

    Enhance your fuel-injected engine's performance without sacrificing drivability or triggering check engine lights with Comp Cams Computer Controlled Series Cams. Specifically engineered for computer-controlled vehicles, these camshafts optimize power and torque while maintaining compatibility with factory ECU parameters—no tuning hassles, just plug-and-play performance.

    Ideal for throttle body injection (TBI) systems and late-model builds, these cams feature unique lobe profiles designed to work seamlessly with electronic controls. Whether you're upgrading a daily driver or a mild performance project, the Computer Controlled Series strikes the perfect balance between increased performance and system reliability.

    For builders looking to maintain drivability while gaining noticeable power, a computer friendly TBI cam like this is the go-to solution. It allows you to keep your stock computer, sensors, and emissions components intact—all while boosting horsepower and throttle response in the low to mid-RPM range.

    Perfectly suited as a Comp Cam for TBI 350, this camshaft provides improved torque for better acceleration and towing capability without upsetting your vehicle's factory programming. That means less time reworking electronics and more time enjoying your build.

    With a legacy of performance and innovation, Comp Cams delivers components that work right out of the box—no surprises, no compromises. The Computer Controlled Series is your ticket to easy, reliable power for fuel-injected applications.

    Trust Comp Cams to help you build smarter, not harder. Bolt in confidence, drive with power.

    Part TypeCamshaft Kit
    Product LineComp Cams Computer Controlled Series Cams
    BrandCOMP CAMS
    Package Height5.3
    Package Width10.4
    Package Length25.4
    Weight30.8 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)220
    Cam StyleHydraulic roller tappet
    Grind Number266HR-12
    Exh. Duration Advertised (Deg)276
    Locks IncludedYes
    Engine Make/SizeChevy Big Block (396-454)
    Retainers IncludedYes
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.485
    Int. Duration @ .050 In. (Deg)210
    Assembly Lubricant IncludedNo
    Basic Operating Rpm Range1,000-5,000
    Pushrods IncludedNo
    Gaskets IncludedNo
    Rocker Arms IncludedNo
    Intake Valve Lift0.485 in (12.319 mm)
    Computer-Controlled CompatibleYes
    Int. Duration Advertised (Deg)266
    Lobe Separation (Deg)112
    Rpm Range1000-5000
    Lifter StyleHydraulic roller
    Advertised Duration266 int./276 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.485
    Valve Springs IncludedYes
    UsageOEM
    Valve Lift With Factory Rocker Arm Ratio0.485 int./0.485 exh.
    QuantitySold as a kit
    Valve Stem Seals IncludedYes
    Exhaust Valve Lift0.485 in (12.319 mm)
    Advertised Intake Duration266
    Outside Diameter Of Outer Spring1.525 in (38.7 mm)
    Intake Duration At 050 Inch Lift210
    Exhaust Duration At 050 Inch Lift220
    Timing Chain StyleDouble non-roller
    Timing Chain And Gears IncludedYes
    Advertised Exhaust Duration276
    Lifter TypeHydraulic Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift210 int./220 exh.
    Valve Springs RequiredNo
    Lifters IncludedYes
    Vendor Part NumberK11-412-8
    Package Qty1
    Package TypeEA
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    No Reviews

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