Chrome Oldsmobile 455 HP Valve Covers & Air Cleaner Combo   Part #(MCC165163) Close up pic of emblem  Installation tips Be sure to install the stud into your carburetor and check your hood clearance to the stud before closing the hood to avoid damaging your hood. If necessary cut the stud to the correct height and reinstall. When tightening your chrome valve covers make sure to tighten them evenly to the correct torque spec. Do not over tighten the Chrome Oldsmobile 455 HP valve covers when installing them! Air Cleaner Steel , triple plated Copper / Nickel / Chrome Size MCC165163 air cleaner is 14 inches in diameter and 3 inches tall Air Cleaner MCC165163 Comes with the air cleaner that has a recessed base, filter, chrome top  and a stud and standard wing nut taped inside Emblems Approximately 1/8" thick Nylon . Heat & fuel resistant . Adhered with thermal adhesive then baked on @ 260 degrees Neck Size  MCC165163 has a 5 1/8" air cleaner fits most four barrels, two barrel adapters are available in the air cleaner accessories category  Air Cleaner Base MCC165163 comes with a recessed base air cleaner. It has a total height of 3" from the carb flange (not including wing nut). It will fit Holley, Demon & Quadrejet carburetors. If you are running an Edelbrock carburetor you will need to use MCC150c 1/2 riser to clear the fuel line Restrictions The Air Cleaner is designed for carburetors WILL NOT work on fuel injection  Valve Covers  Steel , triple plated Copper / Nickel / Chrome Thickness  MCC165163 Chrome Oldsmobile 455 HP valve covers are stamped from approximately .042 thick steel. Pair MCC165163 comes with a set of 2 Chrome Oldsmobile 455 HP valve covers Height MCC165163 comes with factory height Chrome Oldsmobile 455 HP valve covers. Each valve cover has one hole in it for accessories. Baffled YES, these Chrome Oldsmobile 455 HP valve covers come with steel baffles Gaskets NO, these do not come with gaskets. Any Quality gasket made for your engine will work on these Chrome Oldsmobile 455 HP valve covers Valve Cover Accessories Valve Cover Accessories Do Not come with the Chrome Oldsmobile 455 HP valve covers and are sold separately. They can be located on the left side links on this page or at the bottom of this page in the related items. Each valve cover has 10 mounting holes so you will need 20 bolts or spreaders when ordering for this set     Restrictions  Chrome Oldsmobile 455 HP valve covers Will Not work on engines running aftermarket roller rockers or on later model 5 bolt per valve cover engines Check Out these related items below