Approx 40K on the LSA heads.
LS9 heads unknown true mileage.
I bought an LS9 longblock and selling the heads from it. The shortblock is going into my Chevelle project after it gets up and running on the 5.3 for a while. Found a set of fully ported LS9 heads for it and couldn't pass them up. Shortblock needed a hone and new rings for peace of mind. Bearings were fine.
Last edited by gnx7; 03-03-2016 at 09:03 AM.
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