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This is a breather for PML Small Block Chevy valve covers. Benefits:
- Pushes into the side of the PML valve cover
- Baffled on the inside
- Foam can be removed for cleaning
- Made of rubber-grommet material
When this is installed in a PML cover, this breather is nearly flush with side of valve cover.
Click on image to view larger.
Foam not sold separately.
If you are ordering valve covers with the PCV/Breather holes option, one of these is included.