Die-Cast Slant-Edge Valve Covers, For Small Block Chevy. Brandname: PROFORM Part Number: 141-939 Description. Give your engine a custom look with a pair of GM licensed slant edge valve covers by Proform.The diagonal cut of the top section ensures no mess, and the bottom lip will give a tight seal. Each of these valve covers features oversize bolts for fast removal and is designed to clear roller rockers and stud girdles. Proform manufactures these valve covers out of quality materials to ensure a proper fit and durability. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. The item "PROFORM 141-939 Die-Cast Slant-Edge Valve Covers, For Small Block Chevy" is in sale since Monday, June 5, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers". The seller is "wundercarparts" and is located in United States. This item can be shipped to United States, Canada, United Kingdom, Australia, Mexico, Germany, Japan, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, 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, Viet nam.