DDP L5P Piston Kit

Dan's Diesel Performance L5P Piston Kit. DDP has teamed up with UEM to offer our Duramax customers a high quality performance piston kit.

Our pistons come standard with our modified crown lip. Not to be confused with a delipped piston. We increase the radius profile of the lip in order to remove the thin area where cracks tend to occur. Increasing the radius instead of removing the lip still promotes good swirl in the piston bowl for a cleaner, more efficient combustion.

The tops of the pistons have been machined down 0.010" to allow for more piston to head clearance.  This is needed for engines that have had the block decked and for running high RPM.

Thermal coating is available for additional heat protection.

Pistons come with UEM premium piston rings made by Hastings. They feature a CrBn/High Chrome SS top ring, heat treated chrome 2nd ring and a nitrided SS oil ring.
Total Seal gapless piston ring kits are available as well.

Wrist pins and clips are included.

Pistons are available in multiple different sizes.