These Covers are produced by Billet Specialties Inc. Billet Specialties polished aluminum valve covers are guaranteed to draw attention to your engine compartment. Includes a 1 1/4 diameter breather hole positioned between the rockers to reduce oil splash.Valve covers are produced from a high-grade aluminum that is polished to Billet Specialties standards and each design is CNC machined in the USA. For the best seal, Billet Specialties recommends the use of a cork gasket with all of the valve covers. 1 1/4 hole for breather/PCV. Note: If you're using roller rockers and stud girdles, you will need to use the Tall Design valve covers. We also have the Short Design available here. We have numerous other Billet Specialties items available, as well as many of their complete front engine kits. We also have thousands of other High Performance Parts in our store. We want you to have the parts as bad as you do. The item "BILLET SPECIALTIES CHEVROLET SCRIPT POLISHED ALUMINUM SBC TALL VALVE COVERS" is in sale since Monday, March 30, 2015. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers". The seller is "kratter" and is located in High Performance Parts. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Brunei darussalam, Bolivia, Ecuador, Egypt, Gibraltar, Guadeloupe, Iceland, Jordan, Cayman islands, Sri lanka, Martinique, Nicaragua, Oman, Peru, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.