Brand New polished billet aluminum Mini PCV Valve and Valve Cover Breather Kit With Grommets. The mini PCV valve is the same size as most plastic PCV's and will fit just about any 3/4 Inch grommet application. This breather and PCV will fit all 1-1/4 Inch valve cover openings. Will not fit factory valve covers with 3/4 Inch openings. Included grommets reduce to accept 7/8 Inch stem.These breathers easily come apart for cleaning. Perfect for your Rat Rod, Hot Rod, Muscle Car, or Custom Car project.