Billet Specialties ball-milled polished aluminum valve covers are guaranteed to draw attention to your engine compartment. They feature a tall design to clear high performance valve train components and a 1-1/4? diameter breather hole positioned between the rockers to reduce oil splash. These covers are manufactured from high-grade aluminum cnc machined and polished to a quality finish.Included:Metal baffles1-1/4" rubber grommets for breather / PCVDimensions:Overall Height: 3-3/4?