Header bolts - MustangForums.com

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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Header bolts

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Old 09-03-2007, 12:45 PM
  #1  
jagman454
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Default Header bolts

going to buy some after market header bolts does anyone know the header bolt pattern on a 1990 302?
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Old 09-03-2007, 01:13 PM
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ALMOST STOCK
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Default RE: Header bolts

The bolts themselves should be 3/8"-16 X 3/4" for stock and most application but depending on the header you might needto go with the 3/8"-16 X 1".


Or are you asking about the torque sequence of the bolts?
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Old 09-03-2007, 02:46 PM
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aode08
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Default RE: Header bolts



3/8"-16 X 3/4"
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Old 09-03-2007, 04:09 PM
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silver91gt
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Default RE: Header bolts

there is no torque sequence for header bolts
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Old 09-03-2007, 04:10 PM
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nitrous_bob
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Default RE: Header bolts

the ones that are hex head and also allen holes are nice, makes the hard ones easier to get on and off
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