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What size are header bolts?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by outlaw612, May 2, 2002.

  1. outlaw612

    outlaw612 1/2 ton status

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    For a small block chevy.
    3/8-16x1"?
    I cant remember does that sounds right?
     
  2. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    It all depends on which headers you are using and if you are using header washers or not, but that size will work for almost every header made without header washers being used.
     
  3. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    It all depends on which headers you are using and if you are using header bolt washers or not, but that size will work for almost every header made without header bolt washers being used.
     
  4. outlaw612

    outlaw612 1/2 ton status

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    Thanks, I just wanted to be sure on the thread and pitch mainly.
     

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