1,400+ Isola Bella Lago Maggiore Stock Photos, Pictures & Royalty Free Clevite 1.0L Matiz Mexico Con Rod Bearing Set. Carrying on a tradition of durability and dependability, Clevite Bi Metal (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.