Computer Controlled Hydraulic Flat Tappet Camshaft RPM Range: 1000-5000
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-12-388-4

Computer Controlled Hydraulic Flat Tappet Camshaft RPM Range: 1000-5000

$30995
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1955-98 Small Block Chevy 262-400
    Computer Controlled Hydraulic Flat Tappet Camshaft
  • RPM Range: 1000-5000
  • Lift: .425"/.440"
  • Advertised Duration: 252°/260°
  • Lobe Separation Angle: 112°

    For use in throttle body, crossfire, and carbureted 305 engines

    265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10


    For use in throttle body injection, crossfire and TPI 305 and 350 engine.

Emissions Note:

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) #D-279-5

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
Product LineComp Cams Computer Controlled Series Cams
BrandCOMP CAMS
Package Height2.8
Package Width9.6
Package Length24.5
Weight8.88 PG
Part CategoryPerformance Parts
Carb Eo NumberD-279-5 (pdf)
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic flat tappet
Grind NumberCS 252AH-12 (V-8 T.P.I.)
Exh. Duration Advertised (Deg)260
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.425
Int. Duration @ .050 In. (Deg)206
Basic Operating Rpm Range1,000-5,000
Intake Valve Lift0.425 in (10.795 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)252
Lobe Separation (Deg)112
Rpm Range1000-5000
Advertised Duration252 int./260 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.44
UsageOEM
Valve Lift With Factory Rocker Arm Ratio0.425 int./0.440 exh.
QuantitySold individually
Exhaust Valve Lift0.44 in (11.176 mm)
Advertised Intake Duration252
Intake Duration At 050 Inch Lift206
Exhaust Duration At 050 Inch Lift212
Advertised Exhaust Duration260
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift206 int./212 exh.
Valve Springs RequiredYes
Vendor Part Number12-388-4
Package Qty1
Package TypeEA
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