Brand New polished billet aluminum mini PCV Valve and Grommet set. This PCV valve is the same size as most plastic PCV's and will fit just about any 3/4 Inch grommet applications. This PCV grommet will fit most 1-1/4 Inch valve cover openings. Will not fit factory valve covers with 3/4 Inch openings. Perfect for your Rat Rod, Hot Rod, Muscle Car, or Custom Car project.