Hot Rod Polished Mini Billet Aluminum PCV Valve and Grommet Hot Rod Polished Mini Billet Aluminum PCV Valve And Grommet 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 Sold Each