THE MOST POWERFUL CI-4 PLUS FORMULA IN THE INDUSTRY.
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WHAT IS SUPREME HD?
SUPREME HD may be the most powerful product in our line, when compared to competitor products on the market. SUPREME HD’s primary function is to offer far superior protection to diesel engines calling for CI-4 or CI-4 Plus oils. With an industry high, 15 plus, TBN and a calcium-based detergent package that far exceeds others in the industry, SUPREME HD will have engines running cleaner for longer than any other oil options available. In addition to cleanliness and TBN retention, SUPREME HD’s ability to retain its viscosity through excellent thermal stability and offer exceptional wear protection through excellent film strength technology, making SUPREME HD the oil to run in engines calling for CI-4/CI-4 plus oils.