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  • New Muncie 4 speed transmission GM performance detent scissor spring interlock

    • Item No : 262052075306
    • Condition : New
    • Brand : Muncie
    • Seller : century-hotrod
    • Current Bid : US $9.75
    • * Item Description

    • A new heavy duty/performance "scissor" detent cam spring for the M20, M21 & M22 Muncie '63-'74 4spd. (also fits the saginaw's) GM used a much smaller/weaker spring for passenger models and a heavy duty spring on the performance models.
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