Mahle OE GM 6.6L Duramax R w/ PCR - .040 DSL Piston With Rings Set (Set of 4) Core 15" thick bar and plate

15" thick bar and plate design that is 44% larger than stock and outflows OE style tube and fin core designs by 40%

If you are wanting to keep your 6

*Does not come with rocker assembly or pushrods

Throttle Sensitivity Booster with iDash DataMonster for 2007-2019 Ram 2500/3500 and 2011-2020 Ford F-Series 6

Mahle OE GM 6.6L Duramax R w/ PCR - .040 DSL Piston With Rings Set (Set of 4) Core 15" thick bar and plateMAHLE 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: 2001 Chevrolet