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Stage 8 8900

Locking Header Bolts Chevy LS1/LS2/LS6/LM7/5.3L/6.0L (12) 8mm-1.25 x 22mm

Stage 8 8900


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Stage 8 8900 Locking Header Bolts Chevy LS1/LS2/LS6/LM7/5.3L/6.0L (12) 8mm-1.25 x 22mm $55.99
Locking Header Bolts
  • Chevy LS1/LS2/LS6/LM7/5.3L/6.0L
  • (12) 8mm-1.25 x 22mm

  • Specifications:

    Fastener Finish
    Nickel plated
    Fastener Material
    Fastener Style
    Head Style
    Double hex head
    Sold as a set of 12
    Thread Size (mm)
    8 x 1.25
    Underhead Length (mm)
    Manufacturer's Part Number:

    Locked for Good!!
    Stage-8 Locking header bolts are made of grade-8 quality steel and use a patented 3 piece system that consists of a grooved bolt, a retainer and spring clip. The retainer fits over the head of the bolt, the retainer fits up against the header, and the clip snaps into the groove for a secure fit that won't wiggle loose. Bolts with a 6 point DHH (Double Hex Head) feature a recessed 3/16'' allen head inside the hex head for installation in those tight spots. .

    Click to Enlarge
    Click to Enlarge

    8900 - Stage-8 Locking Header Bolts is rated 4.7 out of 5 by 3.
    Rated 4 out of 5 by from Great product-no more leaky headers I had to replace a leaky header gasket on my 99 Vette. A couple of bolts had backed off that damaged the gaskets. Decided to go with the Stage 8 locking fasteners after researching them and talking to a friend that swears by them. I just completed the install so it'll take a while to run them through some heat cycles but I have every confidence that they will do the job. A bonus was they were a lot easier to install than I anticipated.
    Date published: 2014-12-26
    Rated 5 out of 5 by from the best! This hardware is the best system for keeping your bolts from backing out. I am very happy with them and would recomend them to anyone who appreciates a quality american made product!
    Date published: 2014-11-02
    Rated 5 out of 5 by from High quality!!! Put these on my 2009 escalade with new headers, look great and no risk of loose header bolts in the future, great product!
    Date published: 2015-10-14
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