8.1L (496 CU IN) V8 GM 496 MAG (Base Model)

496 MAG (Base Model) 0M025000 THRU 0M687082

496 MAG (Base Model) 0M687083 THRU 0W059999

496 MAG (Base Model) 0W060000 THRU 0W309999

496 MAG (Base Model) 0W310000 THRU 0W649999

496 MAG (Base Model) 0W650000 THRU 1A066165

496 MAG (Base Model) 1A066166 THRU 1A350678

496 MAG (Base Model) 1A350679 & Up