The top of each air breather cap is embossed handsomely with Ford Racing, Ford Cobra, or Ford Mustang emblems. These breather caps are the perfect complement to your valve covers. They have a 3 Inch Diameter and 2.50 Inches Tall. Push-In Style fits 1.22 Inch Valve Cover Hole. Grommet Not Included. Officially Licensed Ford Product. Sold as each.