Review on ๐ง Optimized GM Genuine Parts PCV Hose - 15123628 for Superior Engine Performance by Bryan Fisher
It's under the intake manifold.
This was perfect for my 2006 Colorado. I don't know why this is in the Revain install guide, but it's perfect for the line going from the intake to the valve cover for positive crankcase air pressure. Opposite the PCV valve.
- This is amazing
- Expensive
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