'65 Nailhead NOS cylinder heads - $2900

Discussion in 'Cars and Parts For Sale Leads' started by Chi-Town67, Oct 16, 2018.

  1. Chi-Town67

    Chi-Town67 Gold Level Contributor

  2. yachtsmanbill

    yachtsmanbill Well-Known Member

    Weird... the boxes are marked 401. Any difference? ws
     
  3. TrunkMonkey

    TrunkMonkey Well-Known Member

    401/425 Heads are the same.
     
  4. jmos4

    jmos4 Well-Known Member

    Those I believe are 66 castings with smog port bosses cast into them, not machined on the one shown.

    Neat find but not at that price.
     
  5. Wildcat GS

    Wildcat GS Wildcat GS

    My June `65 built Nailheads have these "603-E" heads with the smog port bosses. My `66 cars also have smog port heads but the casting number ends in "603"
    Tom Mooney
     
  6. Wildcat GS

    Wildcat GS Wildcat GS

    My guess is these heads were manufactured for Gray Marine Corp and intended for the 401 marine engines
    Tom Mooney
     

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