What's the full casting # and date on the heads? The 202 would be the valve size I assume. If they are 327/375 then they would be fuelie heads. Get the casting number and then search Ebay. If you have a decent date range you can get some good money for them. You can't touch the 186 heads for my Z28 in the March-April time frame for under $1000. The demand is incredible.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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