Neck Size : 5 1/8" most four barrels, two barrel adapters are available in the air cleaner accessories category

Emblems : approximately 1/8" thick and are red and chrome ,heat and fuel resistant .The are adhered with a thermal adhesive then baked @ 260 degrees to set the emblem in place and cannot be removed without damaging them

Stud and wing nut : A new stud and standard wing nut will be taped to the inside of your air cleaner when you receive it. If you would like a fancy wing nut for your air cleaner checkout MCC1048 ,  MCC1039 or MCC1059

Recessed Base : This air cleaner comes with a recessed base . It has a total height of 3" from the carb flange( not including wing nut). It will fit most Holley carburetors and was designed for Holley double pumper carbs . If you are running an Edelbrock carburetor you will need to use MCC150c 1/2 riser to cleaner the fuel line and/or choke housing.

Application : Pontiac and Oldsmobile 455 engines. 

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

Comments :

If you would like the matching valve covers instead an air cleaner use part number MCC164T for Pontiac and MCC163s for Oldsmobile