Product Summary

Hydraulic Flat Tappet Camshaft Type

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    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    RPM Range1800-6200
    Intake Duration (.050" Lift)229
    Exhaust Duration (.050" Lift)236
    Lobe Separation112 °
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    Need To Know

    Quick and Easy Returns

    Return Policy

    COMP Cams 12-671-4 Details

    • Cam Style:Hydraulic flat tappet
    • Camshaft Use:Street/Strip
    • Basic Operating RPM Range:1,800-6,200
    • Intake Duration at 050 inch Lift:229
    • Exhaust Duration at 050 inch Lift:236
    • Duration at 050 inch Lift:229 int./236 exh.
    • Advertised Intake Duration:276
    • Advertised Exhaust Duration:283
    • Advertised Duration:276 int./283 exh.
    • Intake Valve Lift with Factory Rocker Arm Ratio:0.468 in.
    • Exhaust Valve Lift with Factory Rocker Arm Ratio:0.462 in.
    • Valve Lift with Factory Rocker Arm Ratio:0.468 int./0.462 exh.
    • Lobe Separation (degrees):112
    • Computer-Controlled CompatibleNo
    • Grind Number:CS NOSTALGIA L79+
    • Valve Springs Required:Yes
    • Quantity:Sold individually.

    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 12-671-4 Specifications

    KEY SPECS
    MFG. Part #12-671-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    RPM Range1800-6200
    Intake Duration (.050" Lift)229
    Exhaust Duration (.050" Lift)236
    Lobe Separation112 °
    GENERAL
    GTIN Code036584070191

    Questions & Answers

    Fitment

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

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    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L65 Small Block Chevy

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    • Gen 1 L82 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L79 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L83 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L79 Small Block Chevy

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    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L05 Small Block Chevy

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    • Gen 1 L81 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L05 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

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    • Gen 1 L65 Small Block Chevy

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    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

    • Gen 1 L79 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L05 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

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    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

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    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

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    • Gen 1 L98 Small Block Chevy

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    • Gen 1 L65 Small Block Chevy

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    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

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    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

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    • Gen 1 L81 Small Block Chevy

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    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

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    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L98 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L46 Small Block Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 283

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

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    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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