CAT SEMI-SYN OIL FC-W 5W-30 QT

Sierra 5W-30 FC-W Semi Synthetic Catalyst Oil is a ultra-high performance 4-stroke oil that uses premium base stocks and additives. The enhanced detergent package suspends and prevents sludge, as well as reducing friction and preventing thermal and oxidation under extreme temperatures. It has a high shear stability which maintains viscosity prevent excessive thinning in high performance applications, and advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life. For use with non-turbo inboards.