Clevite GM Pass & Trk215 265 300 301 340 350 V8 1961-81 Con Rod Bearing SetCarrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seizure and wear resistance. This Part Fits: Year Make Model Submodel 1975 1977 Buick Century Base 1975 1977 Buick Century Custom 1975 1977 Buick Century Special