JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons Inv Dome/Dish 3.307 Bore 1.275 CD 0.866 Dia

JE Pistons Ultra Series pistons for sport compact and euro applications combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. Premium, gas-nitrided carbon steel rings are included.