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  1. #1
    TRY AGAIN SLOWC5's Avatar
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    FS: Champion alum. GN1 heads

    I have a set of Champion Aluminum GN1 heads for sale. I'll find out if they are ported or not. I need to get the headers off the engine.

    $1400.00 obo

    1999 C5 TT street car - 901/881 on pump gas, 10.82@137mph
    2013 Denali Duramax

  2. #2
    TRY AGAIN SLOWC5's Avatar
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    these heads are hand ported and polished

    JEFF

    1999 C5 TT street car - 901/881 on pump gas, 10.82@137mph
    2013 Denali Duramax

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