PacBrake PH+ PowerHalt Air Shut-Off Valve 17-20 GM L5P | 19-20 GM Cab & Chassis MBRP-UA1007 This coolant filtration kit installs

This coolant filtration kit installs in under 45 minutes with modifications necessary

Durable black powder‑coated steel construction resists corrosion and road wear

and imperative on the G56 equipped trucks

Light Tow (+75HP - 110ft/lbs): The light tow tune is offered additional power over the heavy tow tune for when the truck is being used to haul medium and light loads

but is also expensive

PacBrake PH+ PowerHalt Air Shut-Off Valve 17-20 GM L5P | 19-20 GM Cab & Chassis MBRP-UA1007 This coolant filtration kit installsIf you use your GM 6. 6L Duramax L5P for industrial work, farming, or any industry where flammable particles are in the air, engine runaways can happen. An engine runaway happens when your truck ingests flammable particles such as gas and oil vapors and the engine "runs away' using that flammable vapor as fuel. Even tuning the key off will not stop the engine. The only way to stop an engine run away is to cut off the engines air supply otherwise,