Valve Cover Valve Cover; Aluminum; Fabricated Billet Rail; Satin Black Anodized; SPECIFICATIONS: Cylinder Head Type: Standard Material: Aluminum Position: N/A Valve Cover Style: Tall FEATURES: Crafted From 6061-T6 Aluminum Alloy Tested Under Rigorous Pressure Billet Rails Help Strengthen Valve Cover And Assure Durability Vintage racers, competition junkies, and machining enthusiasts trying to save weight: Give your engine the edge. Crafted from 6061-T6 aluminum alloy, these valve covers have successfully endured rigorous testing, providing that they are built to last. The incredible ability to withstand the harsh elements of racing makes these the perfect solution for the street rod and racing applications. Thicker fabricated billet rails and better materials assure long lasting durability, individually pressure-tested. Fasteners included. Offered in silver, clear, black finishes. Over a decade ago, PRW Industries, Inc. (PRWI) recognized the need for branded, high-performance after-market parts that were value priced, and readily available on an in-stock basis. After a great deal of market research and further product development, the Performance Racing Warehouse (PRW) lineup of products was introduced to the performance after-market industry. All PRW and Performance Quotient products are manufactured in PRWI production facilities under the scrutiny of our technicians and inspectors to ensure that our products meet or exceed SFI specifications and other industry established quality standards, guidelines, and mandates.