Wiseco 98-03 GM L43/LN2 Gen-2 122 Cylinder Head GasketWiseco sport compact MLS head gaskets use a high pressure steel laminate design to withstand extremely high sheer forces that occur between an aluminum head and iron block. Internal embossments expand with heat to create a better seal when under extremely high combustion pressures and temperatures, conditions that are present especially in power adder applications. This Part Fits: Year Make Model Submodel 1998 2001 Chevrolet Cavalier Base 1998 2001