Signature Series Valve Cover-Small Block Chevrolet-'59-'86-Tall - Black Fits 1959-1986 Chevrolet 262-400 (tall) Engines. Will Not fit 1986 and later Vette aluminum heads or 1987 and later Chevy cast iron heads. For Use on Pre-Pollution Controlled Vehicles (PPCV) Overall Height: 3.7" Black Engineered for function and styled for good looks, triple chrome-plated Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve. Rubber grommets for the breather and PCV valve holes included. Matching breathers sold separately. NOTE: Tall Profile are 1-1/4" taller than stock, and clear most roller rockers and valvetrain components. Low Profile valve covers clear air-conditioning and alternator brackets. Tall profile valve covers will not clear stud girdles. Signature Series valve covers clear most aluminum rocker arms and moderate lift cams. Check clearance prior to purchase. Pit Stop USA offers Edelbrock Signature Series Valve Cover - Small Block Chevrolet-'59-'86-Tall - Black 4643 at low everyday prices. Be sure to check out all our products from Edelbrock including Edelbrock Aluminum Valve Covers - SB Chevy.