COMP Cams Valve Spring 1.250in Outer W/DCOMP Cams Valve Spring 1. 250in Outer W DThis Part Fits: Year Make Model Submodel 1977,1980 Buick Century Base 1977 1979,1982 Buick Century Custom 1980 Buick Century Estate 1978 1980,1982 Buick Century Limited 1978 1979 Buick Century Special 1978 Buick Century Sport 1978 Buick LeSabre Base 1978 Buick LeSabre Custom 1977 1980 Buick Regal Base 1978 1980 Buick Regal Limited 1977 Buick Regal SR 1977 1981 Buick Skylark Base 1978 1979 Buick Skylark Custom