Are 67-69 intake bolts different than 70-76 bolts?

Discussion in 'The Bench' started by johnriv67, Nov 7, 2019.

  1. Greg Gessler

    Greg Gessler GS Stage1

    I have seen a 1970 455 head that had the small (67-69) intake
    bolt threads in them. Weird.
     

Share This Page