Product Summary

351W, Hydraulic Roller Tappet Camshaft Type

    Key Specs

    MFG. Part #2281
    Camshaft TypeHydraulic Roller Tappet

    Need To Know

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    Return Policy

    Edelbrock 2281 Details

    Edelbrock Rollin' Thunder camshafts are designed to improve horsepower and torque, produce a great sounding performance idle and provide excellent vacuum at idle to support power accessories.
    • Designed for 1500 to 6500 Performance
    • Maximum Power in High-RPM with Good Low-End Torque
    • Matched to Edelbrock Performer RPM Intakes
    • 10 to 12 in. of Manifold Vacuum at Idle
    • More Lift and Duration than Most Street Camshafts
    • Dyno Matched/Street Proven Performance
    • Take the Guesswork Out of Camshaft Selection!
    • Use Only Stock Ratio Rocker Arms


    CARB Warning

    Follow EPA, CARB, and state regulations for engine changes

    Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $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 laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

    Edelbrock 2281 Specifications

    MFG. Part #2281
    Camshaft TypeHydraulic Roller Tappet
    RPM Range1500-6500
    Intake Duration299
    Exhaust Duration302
    Intake Duration (.050" Lift)235
    Exhaust Duration (.050" Lift)238
    Intake Valve Lift w/ Rocker Arm Ratio0.573"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.582"
    Lobe Separation112 °
    GTIN Code085347022816
    External Ignition Box RequiredNo
    Valve Springs RequiredYes
    Sold in QuantityEach