Founded in 1960, King Engine Bearings is a world-class developer and manufacturer of engine bearings for automobiles, light to heavy-duty trucks, marine, aviation, standby power and other types of internal combustion engines. King’s only product is engine bearings. As a result of its specialization and focus, the company is recognized for producing the highest quality engine bearings available in the market today. Applications include GM - 204 3.3L (1989-1993) / 231 3.8L (1991-2009). GM 3.3L and 3.8L V6 - King Rod Bearings CR6664SI Std.