Cool, Good info
So that 318 alum intake would match up to stock 318 heads (and the 302 heads) for good port flow. Just like the LD4B 318 alum 318 intakes.
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OK, sounds like the SP2P-318 Intake is built for mileage not performance like gliderrider06 says.
LD4B is a better choice if you can find them for the 318.