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Backward compatible with diesel engines in which the API CJ-4
One-piece manufacturing process and design assures long life and superior performance
Lucas High Performance Racing Only Oil is a purpose-built product designed for the high performance racing industry
Reduces wear on metal components
Long engine service life
MAG 1 - MAG1 5W40 FS CK4 55 GAL 257015388 Backward compatible with diesel enginesImproved fuel economy. Reduces fuel costs without sacrificing engine protection and performance. Extended oil drain intervals. Fuel economies can be gained when following engine manufacturer recommendations and in conjunction with scheduled oil analysis. Enhanced friction reduction. MAG 1 provides a very strong oil film to prevent metal to metal contact between rotating parts, delivering up to 53% better wear protection. Unsurpassed wear protection.