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Stage 8 Locking Header Bolts Chrysler 4.7/5.7/6.1L (17) 8mm-1.25 x 25mm

Stage 8 8916

868-8916

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Stage 8 Locking Header Bolts Chrysler 4.7/5.7/6.1L (17) 8mm-1.25 x 25mm $65.99
Locking Header Bolts
  • Chrysler 4.7/5.7/6.1L
  • (17) 8mm-1.25 x 25mm

  • Specifications:

    Fastener Finish
    Nickel plated
    Fastener Material
    Steel
    Fastener Style
    Bolt
    Head Style
    Double hex head
    Quantity
    Sold as a set of 17
    Thread Size (mm)
    8 x 1.25
    Underhead Length (mm)
    25
    Manufacturer's Part Number:
    8916

    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
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    8916 is rated 3.7 out of 5 by 3.
    Rated 5 out of 5 by from Great Product!! I bought these to replace the bolts that were supplied with my BBK headers. The shop that did the work said that they were not that hard to install with the new headers on my 2013 Challenger R/T. Use OEM gaskets on the Hemi for no leaks!!
    Date published: 2014-11-04
    Rated 1 out of 5 by from QC your bolts before using them! I bought this set to resolve the typical issue with hedder bolts loosening up. I installed them and torgued them to spec. Having used syage 8 products befor with positive results, I did not expect the issue that arose. When setting the final torque, the bolt pulled a coil of threads out of the head. I then pulled the bolts to remove the hedder and install a helicoil to repair the damages head. I decided to check the threads on the stage 8 bolts and found the threads were not fully formed in the rolling process. It was undetectable by eye, but with a caliper it was immediately noticable. My advice is not to rely on tje factory QC, regardless of a companies reputation. A couple seconds with the caliper would have saved me a big headache.
    Date published: 2014-12-26
    • y_2018, m_9, d_23, h_14
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
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    • loc_en_US, sid_10001_10001_123442, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
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