Sierra 10W30 4 Stroke Synthetic Engine Oil Quart

Highly refined petroleum product formulated with premium base stock and highly refined additive. Excellent anti-wear characteristics. Formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers and to offer maximum corrosion protection. Reduces friction and sludge, keeping the engine cleaner for better efficiency. Meets and exceeds quality performance API SJ, CF-2, CH-4, NMMA FC-W Certified.