Prevent oil droplets from re-entering the intake system, reducing oil deposits in the engine.
When the oil in the truck heats up condensation occurs. The OEM crankcase vent system (CCV) allows the gas to escape; however, due to stricter emission standards, the gases are now recirculated into a closed system introducing them back into the intake system. The reintroduction of oil vapor can cause dirty / sticky valves, intake sludge, and a reduction of engine power and performance.
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