Polished Aluminum Small Block Chevy Center Bolt Valve Covers. Fits 1987-97 Small Block Chevy 305, 350. Polished Aluminum Flamed Top Finish.1 1/4 push in breather hole on the valve covers. More Great Product Available at our store. Powered by SixBit's eCommerce Solution. The item "SBC Tall CenterBolt Valve Covers Flame Polish Aluminum Small Block Chevy 5 5.7L" is in sale since Friday, September 12, 2014. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers". The seller is "autonets" and is located in Chino, California. This item can be shipped worldwide.