hot shot's secret black diamond outlaw oil 100 percent pao 15w40 1 gallon hot shot's secret this unique black diamond outlaw 15w-40 formula consists of a 100% pure poly-α-olefin (pao) group iv synthetic oil infused with patented fr3 nano lubricant technology and ck-4 additive packaging. black diamond outlaw can give you every benefit of the best pao engine oil, including oxidative, thermal and molecular stability. blue diamond outlaw even improves your oil's viscosity to help you meet weight specifications. <br><br> with just one treatment of black diamond outlaw, you can improve your oil's viscosity, performance and longevity to keep oil clean and grant you impressive mileage. hot shot's secret black diamond outlaw oil is specifically formulated for heavy-duty off-road vehicles in construction, agricultural and industrial settings. <br><br> black diamond outlaw oil lasts as much as three times as long as traditional ck-4 oils. the hot shot's secret team understands how government mandates on cj-4 and ck-4 oil have changed the game and reduced the robust qualities of many diesel oils. formulas like black diamond outlaw rise to the challenge of modern fuel regulations and give your engine an unparalleled boost with the power of zinc, dispersants and detergents alongside patented fr3 nano lubricant technology. <br><br> this formula has a tbn rating of nearly 15, meaning it exceeds ck-4 specifications by 150%. <br><br> to use black diamond outlaw oil, add it to heavy-duty equipment that requires increased tbn and protection. when used alongside your scheduled oil analysis program, frantz bypass oil filter and hot shot's secret tbn booster, your oil can last you for up to 100,000 miles. black diamond outlaw oil is not designed for use in vehicles that have catalytic converters, dpf, dgr or other emissions equipment that could potentially be damaged. always make sure to change your oil filter per your manufacturer's recommendations.