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Thread: bbc head id help

  1. #1

    bbc head id help

    i have a set of rectangle port 3919840 heads prod dates H37 and K17 i have an idea of what they are they were on my car when i bought it im rebuilding my motor and swapping heads just trying to figure out what there worth

  2. #2
    Senior Member RACING JUNKIE oldandtired's Avatar
    Join Date
    Dec 2008
    Sugar Hill, GA
    67-69 rectangular 107 cc closed chamber 396/427.
    Hard to get them to flow because of the steep sides.
    "All that is necessary for the triumph of evil is for good men to do nothing" Edmund Burke

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