1965-95 Chevy Big Block 396-427-454-502 Short Polished Aluminum Valve Covers - Ball Milled Chevy big block ball milled polished aluminum valve covers fit 1965-95 Chevy 396-427-454-502 big block engines. Comes with two oil baffles and stainless steel bolt kit. These are the short style and the rear corner of each cover is slanted for power brake clearance. Height: 2-7/8".