Are the port size standard or bigger for Mace's replacement aluminium ecotec/l67 intake manifold gasket? Can I get a measurement on that, I will get a set if they are bigger, to suit ported heads. -

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Are the port size standard or bigger for Mace's replacement aluminium ecotec/l67 intake manifold gasket? Can I get a measurement on that, I will get a set if they are bigger, to suit ported heads. Posted by MACE Support on 30 April 2018 11:17 AM
They're similar to the factory gasket port sizes. The mean port size of our replacement aluminium ecotec/l67 intake manifold gasket (GSK601) is 25.6mm X 51.4mm. Please note that even if the port size is smaller, these gaskets can still be ported out.

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