SAE 25W-40 | 55 Gallon Drum Designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Minimizes corrosion that is formed inside the engine. Displays enhanced detergent and dispersant properties to suspend and prevent engine sludge formation. Industry leading wear protection and deposit control. Prevents excessive thinning under extreme performance operations. Capitalizing on “ZDDP” anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life.