YES; both engines have ported ovalport H89's heads/double valve springs/rocker spacers etc. no short cuts taken on both engines, all new parts/machined/test run. cheers
Posted on: 2013/1/20 4:13
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A.T.E RACE ENGINES: ( " AUST 1 " 2010 ) A15 GO THE DATTOS... 0412 864 741