L5P Fuel System

This GM 6.6L L5P Duramax fuel system is an upgrade for 2017-2023 models, providing increased fuel delivery, improved efficiency, and greater durability. Get up to 20% more power, a 15% reduction in fuel consumption, and robust components designed to passed stringent tests.  With parts from manufacturers like Deviant Race Parts, FASS Fuel Systems and more, we have you covered.