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Proform Poly Locks 3/8" -24 Thread


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Poly Locks 3/8" -24 Thread
5 left in stock
Poly Locks
  • 3/8'' -24 Thread
  • 16/pkg
  • Ships

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    66935 - Proform Poly Locks is rated 4.7 out of 5 by 3.
    Rated 5 out of 5 by from Great feature Thanks jegs! always a great product. I Don't shop any where else.
    Date published: 2015-02-16
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    what is the length? Thanks

    Asked by: j4mo
    The Proform 778-66935 lock is 1 inch long.
    Answered by: jshook
    Date published: 2023-11-22

    Ok just wondering is the nut a 9/16" I see these measured at .55 mine seems .54 I just got a new set that won't work to big

    Asked by: HLB3X
    The Proform 778-66935 poly lock uses a 5/8 nut. These are not 9/16 size.
    Answered by: jshook
    Date published: 2022-12-12

    Will these work with stock-type rocker arms, Ford 289 small block?

    Asked by: Dilbert
    These are designed for use with an aluminum roller rocker.
    Answered by: Rusty B
    Date published: 2017-12-11
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