Mahle OE GM 2.2L 134 OHV 4CYL .020 w/ PC Piston Set (Set of 4)MAHLE Original pistons are OE quality and have the same great OE features such as compensated ring grooves to assure proper ring loading and oil control, as well as expansion controlled designs for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control. This Part Fits: Year Make Model Submodel 1993 Buick Century Custom 1993 Buick Century Limited 1993 Buick Century Special 1992 1993 Chevrolet Beretta Base 1992 1993