Holley Aluminum Chev LS Rocker Covers # HO241-402Holley Aluminum Chev LS Rocker Covers # HO241 402 Valve Cover, Centerbolt, Tall, Cast Aluminum, Black Powdercoat, Baffled, Chevrolet, LS, Pair ased on our existing tall LS valve covers, the GM Licensed Tall LS valve covers eliminate the factory coil on cover look and instead feature prominent, cast in graphics that are sure to dress up your engine bay and represent your loyalty to your favorite OEM brand. These valve covers feature an additional 0.