Looking for a quality piston that won't weigh you down? Check out the Mahle 224-3503WR.040 Piston Set With Rings .040. This lightweight piston is perfect for 6.0 Powerstroke 2003-2007 models, and its quality construction means it will last mile after mile. So don't settle for second best, get the Mahle224-3503WR.040 Piston With Rings .040 and enjoy the ride.