Product Summary

Dual Idler Gear Drive Idler Style, Steel Gear Material

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    Key Specs

    MFG. Part #91578411
    BrandSpeedway Motors
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    Need To Know

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    Speedway Motors 91578411 Details

    The superior quality of these Speedway Premium Gear Drives makes them 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

    Application

    Chevy 396-454 V8 (1965-1990)

    Speedway Motors 91578411 Specifications

    KEY SPECS
    MFG. Part #91578411
    BrandSpeedway Motors
    GENERAL
    Sold in QuantityKit
    Gaskets IncludedNo
    Gear Drive Idler StyleDual Idler
    Thrust Bearing IncludedYes
    Gear MaterialSteel
    Die Stock IncludedNo

    Ratings & Reviews

    4

    1 Review

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    1 reviews

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    Filter by Ratings

    Yes I would buy this product again

    4.0

    2 years ago

    Lester W Lane

    Union Gap Washington

    Verified

    I initially wanted good timing because of my stretched timing chain, but unfortunately upon closer teardown I now need to send my 454 to the machine shop for more work, dagnabit.

    Would Recommend

    Showing 1 of 1 reviews

    Questions & Answers

    2 Questions • 2 Answers

    Does this require any machine work on the block to install ? Thanks

    by Bob

    • 9 years ago

    1 answer

    does this require a brass thrust washer?

    by Bob

    • 9 years ago

    1 answer

    2 of 2 questions shown

    Fitment

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