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400ci cylinder heads

  1. 1964-1974 Tempest, Lemans & GTO General Discussion
    Good morning GTO Gurus, i'm looking for options to replace my cylinder heads on 400ci / 4BBL....soon to be fuel-injected with Holley Sniper EFI. What would you recommend in terms of cylinder heads. Existing ones are necessarily bad, just looking for something with hardened valve seats...and...
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