Mahle OE Ford Pass & Trk 390 Eng 1966-70 360 Eng 1968-76 .040 Piston Set (Set of 8)MAHLE Original pistons are OE quality and have the same great OE features such as compensated ring grooves to assure proper ring loading and oil control, as well as expansion controlled designs for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control. MAHLE is one of the largest OE piston manufacturers in the world. This Part Fits: Year Make Model Submodel 1970 1974,1976 Ford F 100 Base 1975 1976 Ford F 100 Custom