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Review on Cosmoska Aluminum Pressure Powerstroke 2003 2007 by Steven Saric

Revainrating 4 out of 5

Perfect seal at O-ring but not at test port.

Great addition to my F-350. The tank inspection port on top works like a dream. But a downside that disappoints. The test port hex screw isn't a tight fit, so you'll have to use thread tape or it will leak like a bad faucet.

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Cons
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