Buick 455 Water Pump Bolts

Discussion in 'Street/strip 400/430/455' started by Huckleberry1, Jan 5, 2018.

  1. Huckleberry1

    Huckleberry1 Well-Known Member

    My water pump is fastened with the wrong length bolts. Can anyone tell me the size and length of the bolts needed to fasten the water pump onto a 455? Is there anything special about them? Thanks!
  2. BrunoD

    BrunoD Looking for Fast Eddie

    I don;t know if you have the right bolts,I can supply you with new ones,with the right length .I guess $8.00 shipped will cover it,as it costs almost $4.00 for shipping.You can also buy them from Todd Miller,he's on this site and sells most sizes bolts for almost all that's needed for a Buick.Bruno.
  3. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    Water pump or front cover?
  4. Schurkey

    Schurkey Silver Level contributor

    I've heard of folks using "stainless steel" bolts, but beware the horrible strength rating of popular stainless hardware. It's about equal to Grade 2 hardware store junk bolts.

    ARP sells high-strength stainless bolts, and you can with some searching come up with stuff that's "almost" equivalent to Grade 5.
  5. ToddsGS

    ToddsGS Founders Club Member

    I carry Grade 8 Bolts for the water pump and timing cover.

    The Long 4" + Timing Cover bolts are not reproduced at this time but I do stock the ARP Flange Bolts (In Black) to match the rest of my bolts.

    I see these as a kit or individually. More information can be seen on my website > https://www.diecastmusclecars.com/dcmbuick.htm


    1000's of Buick GS/GSX/Skylark Fasteners now available on my website.
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    Last edited: Aug 18, 2019
    matt68gs400 likes this.
  6. Bigpig455

    Bigpig455 Fastest of the slow....

    Todd has great OEM stuff, TA has some great stainless stuff.... take your pick.
    ToddsGS likes this.

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