Product Summary

396, 402, 427, 454, 496

    Key Specs

    MFG. Part #91578411
    BrandSpeedway Motors

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    These Speedway Premium Gear Drives are made in the USA. Superior quality makes this the choice of engine builders everywhere. Fits 1965-1990 396-454 Big Block Chevy V8.

    • All gears are 8620 carburized steel
    • Cam gear has press-fit Torrington bearing
    • Timing adjusted with dowel pin inserts or 3 keyway crank
    • Includes cam button, lockplate, and bolts
    • Quiet operation


    Chevy 396-454 V8 (1965-1990)

    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.


    MFG. Part #91578411
    BrandSpeedway Motors