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Valley Cover Bolts

This is a discussion on Valley Cover Bolts within the Internal Engine forums, part of the LSx Technical Help Section category; When I installed my FAST 90 intake, I had to grind down the heads of the valley cover bolts because ...

  1. #1
    Sold: LS1 '85 El Camino ls1camino's Avatar
    Join Date
    Dec 2005
    Laurel, Maryland

    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    Valley Cover Bolts

    When I installed my FAST 90 intake, I had to grind down the heads of the valley cover bolts because I did not want to buy new bolts. So now, these bolts I ground down are rusted on top and are now an eyesore in an otherwise beautiful engine bay.

    Is there some company out there that sells bolts specifically for this?...stainless is preferable.

  2. #2
    Senior Member bills98ta's Avatar
    Join Date
    Feb 2007
    St Thomas, PA

    1998 Trans Am

    A Buddy of mine had the same issue... We removed the valley pan gasket & used ultra black on it. Just gave him enough room to fit the FAST !!!

  3. #3
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Mansfield, PA

    Black & Blue
    '02 WS.6 / '07 Suburban

    I have checked out items from Tioga Stainless before -- it appears that they offer custom pieces if you can't find anything else that will work:

  4. #4
    Veteran Hi-Po's Avatar
    Join Date
    Nov 2005

    1999 TA WS.6

    Your FAST should have come with them. Its a buttom head screw. A good hard ware store should have them. Or, you can save the hassle, make sure you have a low enough profile of allan head bolt and buy from FAST. Might be 10 bucks more.

  5. #5
    COTM July '09
    Join Date
    Jun 2008
    Annapolis, MD

    BLK/BLK w/CGM Stripes
    2010 Camaro 2SS/M6

    I used stainless flat head cap screws. I was gonna chamfer the bolt holes on the valley cover so they sit at or below the surface of the cover, but when I put them on, they sat pretty flush (maybe about 1/8" high) so I let them be... topped it off with M6x110lg. stainless socket head cap screws for the FAST and it's all beautiful now .. lol
    Last edited by Mean Green Z28; 08-13-2009 at 06:16 AM.

  6. #6
    Join Date
    Feb 2006

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