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Product Summary

305, 350, Hydraulic Flat Tappet Camshaft Type

    Key Specs

    MFG. Part #K12-249-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet

    Need To Know

    This Product Will Ship Free

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    Details

    K12-249-4 - Camshaft Kit, CS XE249H-12.

    Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - Great In Throttle Body, Crossfire or Carbureted Engine & 305 TPI. Xtreme Energy.Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - Great In Throttle Body, Crossfire or Carbureted Engine & 305 TPI. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

    • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
    • More vacuum allows an increase in duration for improved performance & assists power brakes
    • Excellent performance in street carbureted applications
    • Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

    Application

    1987-98 Chevy 305-350

    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.

    Specifications

    KEY SPECS
    MFG. Part #K12-249-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    GENERAL
    Intake Duration249
    Exhaust Duration260
    RPM Range1000 to 5000
    Lobe Separation112 °
    Intake Duration (.050" Lift)206
    Exhaust Duration (.050" Lift)212
    GTIN Code036584068716
    Grind NumberCS XE249H-12
    Intake Valve Lift w/ Rocker Arm Ratio0.434"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.444"
    External Ignition Box RequiredYes
    Valve Springs RequiredNo
    Valve Spring IncludedYes
    Lifter TypeHydraulic Flat Tappet
    Lifters IncludedYes
    Retainers IncludedYes
    Locks IncludedYes
    Valve Stem Seals IncludedYes
    Timing Chain and Gears IncludedYes
    Assembly Lubricant IncludedYes
    Pushrods Included
    Rocker Arms IncludedNo
    Gaskets IncludedNo
    Sold in QuantityKit