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Spectre Header Bolt Set 3/8"-16 x 7/8"

Spectre 46723

865-46723

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Spectre Header Bolt Set 3/8"-16 x 7/8" $9.99
Header Bolt Set
  • 3/8"-16 x 7/8"
  • 12/pkg
  • Hex & Allen Compatible
  • Installation Tool Included

  • Specifications:

    Engine Make/Size
    Ford 221-351W
    Engine Make/Size
    Mopar 273-360
    Engine Make/Size
    Chevy 283-400
    Fastener Finish
    Gold iridited
    Fastener Material
    Steel
    Fastener Style
    Bolt
    Head Style
    Double hex head
    Quantity
    Sold as a set of 12
    Underhead Length (in.)
    0.875
    Thread Size (in.)
    3/8-16
    Manufacturer's Part Number:
    46723

    Spectre Header Bolt Sets are a good upgrade to those old worn out bolts. These sets come in a few variations and were designed to fit the majority of Domestic V8's. They have 3/8"-16 threads and a gold iridite coating to resist corrosion.

    46723 is rated 4.0 out of 5 by 2.
    Rated 5 out of 5 by from Spectre 46723 Header bolts I purchased and installed these bolts and they were just what the doctor ordered.I needed these bolts for their 7/8 " length. Recommended bolts were only 3/4" but with 3/8" header flange and 1/16" gasket thickness there was not enough bolt engagement. Thread engagement should always be 1 1/2 x bolt diameter at least. The only problem I have is these only come in a 12 pack. I have a big block in my 73 Z28 which requires 16 bolts, had to order 2 sets.
    Date published: 2017-10-30
    Rated 3 out of 5 by from Bolts look good and did the job but the heads were too soft and rounded out too easy.
    Date published: 2015-08-26
    • y_2018, m_9, d_20, h_16
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