6.4L Ford Power Stroke Mahle Fly Cut and De-Lipped Piston Kit With Rings6. 4L Ford Power Stroke Mahle Fly Cut and De Lipped Piston Kit With Rings Product Code: AA RCD 1740611002, AA RCD 1740611012, AA RCD 1740611022, AA RCD 1740611032 MAHLE aluminum pistons for passenger car diesel engines are cast from high temperature resistant aluminum alloys. Standard features include ring carriers made of high strength cast iron to increase the wear resistance of the first ring groove, salt core cooling channels or cooled ring