2017-2019 Chevrolet Silverado/GMC Sierra 2500/3500 - L5P Duramax Diesel DOG SWAG this long block is pre-lubed

this long block is pre-lubed with break-in oil and ready for installation

Reduces shift lever travel by 20 percent

and Rough Country's Limited Lifetime Replacement Guarantee for complete peace of mind

Allison LCT1000 (MY2001-2019)

2017-2019 Chevrolet Silverado/GMC Sierra 2500/3500 - L5P Duramax Diesel DOG SWAG this long block is pre-lubedDiabloSport brings yet another innovative tuning solution to the masses! The new Predator2, 7225 R model for L5P is now available. The Predator 2 includes the cost of sending the L5P ECM to us to be modified to allow tuning. We'll modify the ECM and overnight it back to you. Once it's reinstalled in the truck, you are ready for tuning! As users have come to expect, there are incredible gains available for the L5P Duramax. These power gains translate