JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons Inv Dome/Dish 3.307 Bore 1.275 CD 0.866 Dia 38 285" OD works well with

285" OD works well with our alve springs in

High performance

50in) - 950 HP

7L w/ 68RFE or Aisin AS69RC Trans Thermal Bypass Valve Upgrade

design technology and rigorous testing that results in the highest performing

JE Pistons BMW N54B30 Ultra Series Set of 6 Pistons Inv Dome/Dish 3.307 Bore 1.275 CD 0.866 Dia 38 285" OD works well withJE 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.