Product Summary

Hydraulic Flat Tappet Camshaft Type

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    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    RPM Range2000-6200
    Intake Duration (.050" Lift)224
    Exhaust Duration (.050" Lift)236
    Lobe Separation113 °
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    COMP Cams 12-560-4 Details

    COMP Cams Nitrous HP NX268H-13 Hydraulic Camshaft for Small Block Chevy.

    Chevrolet 262-400 c.i. 8 cyl. 1958-1998. Street Machines with 125+ HP kit, needs 2200+ stall, gears, choppy idle. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

    • Wider lobe separation & added exhaust duration from base XE series help shift the power to higher RPM to allow use in nitrous applications
    • Early exhaust opening helps scavenge the extra spent gasses from nitrous or forced induction
    • Better time slips for nitrous passes at the strip

    Guides & Documents

    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.

    COMP Cams 12-560-4 Specifications

    KEY SPECS
    MFG. Part #12-560-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    RPM Range2000-6200
    Intake Duration (.050" Lift)224
    Exhaust Duration (.050" Lift)236
    Lobe Separation113 °
    GENERAL
    Intake Valve Lift w/ Rocker Arm Ratio0.477"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.490"
    Intake Duration268
    Exhaust Duration286
    Sold in QuantityEach
    Grind NumberCS NX268H-13
    GTIN Code036584023845
    External Ignition Box RequiredNo
    Valve Springs RequiredYes

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