COMP Cams Camshaft Kit Bs455 268HHigh performance cam for everyday driving. Broad powerband. Slightly rough idle in 400, smooth to noticeable idle in 455. Catalog User 1 This Part Fits: Year Make Model Submodel 1971 1973 Buick Centurion Base 1973 1974 Buick Century Base 1973 1974 Buick Century Luxus 1968 1974,1976 Buick Electra 225 1968 1974 Buick Electra 225 Custom 1974 Buick Electra 225 Limited 1967,1973 Buick Electra Base 1975 Buick Electra Custom 1975 1976 Buick Electra Limited