Proflow valve cover grommets are designed to control oil leakage into breather caps and keep oil from getting all over your valve covers. The baffled grommets help to eliminate oil blowby as well. These neoprene grommets are made to fit most stamped or die-cast valve covers. They come available in multiple styles to suit your needs: PCV, breather, and baffled grommets.

Proflow valve cover grommets are designed to be installed in steel and aluminium valve covers, suiting breather caps, PCV valves, and block-offs. All grommets have a 1.25" OD. Suits thin sheet metal valve covers