Product Summary

347, 350, 370, 389, 400, 421, 428, 455

    Key Specs

    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)231
    Exhaust Duration (.050" Lift)240

    Need To Know

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    Designed for street high-performance applications, Performer RPM cams provide power from 1500 to 6500 rpm.
    • 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
    • Includes Hydraulic Lifters and Assembly Lube
    • Dyno Matched/Street Proven Performance
    • Take The Guesswork Out Of Camshaft Selection


    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    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, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. 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.


    Camshaft TypeHydraulic Flat Tappet
    Intake Duration (.050" Lift)231
    Exhaust Duration (.050" Lift)240
    Speedway Motors Catalog Part #325-7157
    Intake Duration308
    Exhaust Duration320
    RPM Range1,500-6,500
    GTIN Code085347071579
    Intake Valve Lift w/ Rocker Arm Ratio0.47"
    Exhaust Valve Lift w/ Rocker Arm Ratio0.47"
    External Ignition Box RequiredNo
    Valve Spring RequiredYes
    Valve Spring IncludedNo
    Lifter TypeHydraulic Flat Tappet
    Lifters IncludedYes
    Retainers IncludedNo
    Locks IncludedNo
    Timing Chain and Gears IncludedNo
    Assembly Lubricant IncludedYes
    Pushrods Included
    Rocker Arms IncludedNo
    Sold in QuantityKit
    NotesAlthough the advertised RPM range for these camshafts is 1,500 to 6,500 rpm, for best performance we recommend a minimum 3,000 rpm stall torque converter be used in applications with automatic transmissions.