Mahle OE NAVI 7.3L IDI Diesel V8 .020 w/ PCR Piston With Rings Set (Set of 8) Late Cummins 5.9 you are getting a matched

you are getting a matched set that has been dyno tested together for ultimate performance

unlike OEM Torque-To-Yield (TTY) studs which must be replaced after each use

1986 Ford F-350 XL

The smooth mandrel bends allow for low turbulence

Mahle OE NAVI 7.3L IDI Diesel V8 .020 w/ PCR Piston With Rings Set (Set of 8) Late Cummins 5.9 you are getting a matchedMAHLE 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 offers pistons ready for installation with mounted piston rings, with pin and clips included for the convenience of the engine builder. Fitment: 1988 Ford E 250