Product Summary

Hydraulic Flat Tappet Camshaft Type, 800-4800 RPM Range

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    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    RPM Range800-4800
    Intake Duration (.050" Lift)206
    Exhaust Duration (.050" Lift)206
    Lobe Separation110 °
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    COMP Cams 42-227-4 Details

    42-227-4 - Camshaft, OL 252H-10.

    Oldsmobile 260-455 c.i. 8 cyl. 1967-1990. Hydraulic-Ideal for family sedans. Good low end torque and economy, smooth idle. High Energy Hydraulic Flat Tappet Camshafts. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

    • Work well with mainly stock components (rockers, manifolds, heads, compression, converters, gears, etc.)
    • Good blend of efficiency & performance
    • Perfect choice for performance street rebuilds

    Application

    1967-90 Oldsmobile 260-455

    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 42-227-4 Specifications

    KEY SPECS
    MFG. Part #42-227-4
    BrandCOMP Cams
    Camshaft TypeHydraulic Flat Tappet
    RPM Range800-4800
    Intake Duration (.050" Lift)206
    Exhaust Duration (.050" Lift)206
    Lobe Separation110 °
    GENERAL
    Intake Valve Lift w/ Rocker Arm Ratio0.433"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.433"
    Intake Duration252
    Exhaust Duration252
    Sold in QuantityEach
    Grind NumberOL 252H-10
    GTIN Code036584600459
    External Ignition Box RequiredNo
    Valve Springs RequiredYes

    Questions & Answers

    Fitment

    • 307 Oldsmobile Small-Block V8

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • 307 Oldsmobile Small-Block V8

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 307

    • Oldsmobile 307

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    • Oldsmobile 400

    • Oldsmobile 350 Small-Block

    Customer Impersonation Script