Listing is for one pair of 243 complete heads. These heads were ported and gasket matched. When the port work was does about .001ths too much material was removed and the bottom of the ports cracked once the engine was run. Before the problem the motor was dyno tested and...
Listing is for one pair of 243 complete heads. These heads were ported and gasket matched. When the port work was does about .001ths too much material was removed and the bottom of the ports cracked once the engine was run. Before the problem the motor was dyno tested and picked up 27HP and 33FT/LBS with the stock springs, rockers and valves. They heads should be able to be fixed by a professional welder. The heads came from a 2006 GTO with aprox. 22,000 miles. These heads are a great up grade for the LS1 and should make larger gains than recorded on the LS2. These heads are sold complete and AS IS with the stated repair needed. Please email with any questions. Pics should be posted soon.
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