Holley is pleased to expand our Vintage Series line to now include a valve cover option for Small Block Chevys with center bolt heads. The Vintage Series family of die-cast aluminum dress-up products features a classically styled finned design and a retro-style Holley script brandmark. These valve covers are standard height (3.5" overall) with pre-installed internal baffling and come in a variety of colors and finishes for your unique application. Each set also includes a basic oil fill plug, a PCV grommet, and a polished mounting hardware set. Make your engine a statement piece with Holley's Vintage Series dress-up accessories! 14" round air cleaner kits are available with a premium element featuring red pre-oiled cotton gauze (washable and reusable) or a mesh-reinforced paper element - both options come in 3 and 4-inch heights. Each air cleaner kit includes a polished or black Sure-Flo base (designed for Holley 4150 and 4160 and other carburetors with 5.125" diameter neck) and all mounting hardware necessary for installation. Holley is pleased to offer their Vintage Series Air Cleaners and Small Block Chevy Valve Covers. These new products are the first of the Vintage Series family of die-cast aluminum dress-up products featuring a classically inspired finned design and a retro-style Holley script brandmark. The Small Block Chevy center bolt valve covers (designed to fit Vortec/ZZ4/ZZ5/ZZ6) feature a generous internal height for exceptional valve train clearance and include pre-installed internal baffling, polished mounting hardware, and oil fill / PCV grommets (valve cover gaskets not included).