COMP Cams Rocker Arm/Pushrod Kit CS MagRocker Arm Kits from COMP Cams come with everything you need to install your new Rocker arms in one convenient package. With this kit, there is no second guessing Catalog User 1 This Part Fits: Year Make Model Submodel 1977,1980 Buick Century Base 1977 1979 Buick Century Custom 1980 Buick Century Estate 1978 1980 Buick Century Limited 1978 1979 Buick Century Special 1978 Buick Century Sport 1978 Buick LeSabre Base 1978 Buick LeSabre Custom 1977 1980