COMP Cams Rocker/Pushrod Kit; CS 1.52 3/This rocker arm and pushrod kit for Chevrolet 262 400 Small Block includes a set of our 1. 52 ratio Ultra Pro Magnum rocker arms and our 7. 800" long Magnum pushrods. 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