STAR BRITE Super Premium Synthetic Blend 4-Stroke Marine Oil - 32 oz

STAR BRITE Super Premium Synthetic Blend 4-Stroke Marine Oil is formulated for outboards, gasoline inboards and stern drives, delivering dependable protection for high-RPM marine operation. The synthetic blend and shear-stable polymer additives help maintain viscosity under extreme marine conditions, reduce sludge and wear, and support quicker cold starts. Meets or exceeds API SJ, CF-4 and CH-4 specifications and carries NMMA FC-W certification for marine engine service. Sold in 32 oz bottles for easy servicing; follow your engine manufacturer's recommendations for oil change intervals.

• PROUDLY AMERICAN, TRUSTED GLOBALLY - Star brite, a leader in marine, auto, RV, and home care since 1973, made in the USA for unmatched quality
• OPTIMIZED FOR MARINE ENGINES - Specifically designed to meet the harsh demand saltwater & freshwater environments, offering superior protection against wear and corrosion
• PREVENTS SLUDGE BUILD-UP - Advanced formula prevents sludge and varnish build-up, keeping your engine running cleaner and longer
• HIGH-PERFORMANCE FORMULA - Ideal for high-performance outboards, gasoline inboards, and stern drives, providing unmatched protection and efficiency
• SUPERIOR VISCOSITY CONTROL - Maintains proper viscosity in extreme marine conditions, ensuring consistent engine protection and performance
• EXCEEDS OEM SPECIFICATIONS - Surpasses the most demanding OEM requirements and surpasses API requirements for SJ, CF-4 and CH-4 ensuring your engine's warranty remains intact
• ADVANCED ENGINE CLEANLINESS - Additive package optimizes engine cleanliness, effectively preventing sludge and deposit buildup for a smoother, more efficient engine operation
• NMMA FC-W CERTIFIED - Meets or exceeds the stringent requirements of the NMMA FC-W certification, designed specifically for 4-stroke outboard motors, ensuring top-tier performance
• QUICKER STARTS IN COLD WEATHER - Synthetic/organic blend ensures exceptional low-temperature properties, allowing for quicker and more reliable engine starts in harsh marine environments
• ENGINE PROTECTION AT HIGH RPMs - Specially formulated with shear-stable polymer additives and synthetic base stocks for maximum engine protection under high stress and RPMs