SPELAB 2011-2016 6.6L Duramax LML PCV ReRoute Engine Ventilation Kit Fitment: 2011-2016 Chevrolet Silverado 2500 HD 6.6 Diesel LML Duramax2011 -2016 Chevrolet Silverado 3500 HD 6.6 Diesel LML Duramax 2011-2016 GMC Sierra 2500 HD 6.6 Diesel LML Duramax2011-2016 GMC Sierra 3500 HD 6.6 Diesel LML Duramax Benefits: Vents crankcase blow by— decreasing oil deposits in the engine No boot soak, intake gumming, etc.— increases the longevity of parts Eliminates the need for the crankcase box on the top of the engine— frees up room for more activities under the hood Venturi-style design— eliminates the need for restrictive baffles Virtually no oil loss— no need to worry about puddles under your truck Streamline routing with no angles— provides better pressure flow & no oil dripping Includes ¾” 5Ft 100% silicone reinforced hose— designed for oil applications Black Anodized components for better durability This Crankcase Ventilation System provides a SOLID solution to eliminate unwanted crankcase pressure and effectively eliminate any power-robbing crankcase pressure. This is also a nice way to clean up your engine bay for more room for modifications. This is the best way to be sure your engine is getting the cleanest oil residue-free air ensuring the strongest combustion and best engine efficiency. This will also stop the normal oily residue and sludge that collects in the intercooler and factory intercooler pipes. Service Free Crank Case Vent that includes a complete Venturi System to give an easy installation without having to buy additional parts or unnecessary trips to the auto parts store. Simple kit routes directly to the exhaust and includes the scavenging system that gets welded into the exhaust system with a 1″ barbed -10 fitting for a plug n play installation. Delivers the best crankcase evacuation for all Diesel Applications.