Danny,
The intake in question is a refined intake. The one I have examined had some very needed improvement over the 163 intake. You will first notice the fuel channels below the carb run across the plenum florr instead of down the ports. I would assume it helps with raw fuel (separated fuel) and helps it re mix with air. There are a couple of others thing , but it helps to measure & compare one to the other. A good piece & priced right!
Adger Smith
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Adger Smith (Former SS)
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