Quicksilver Synthetic 25W50 Verado inboard and outboard oil.25W50 Synthetic blend recommended in some Mercury Verado and other high-performance marine engines.Maintains viscosity under the most extreme operating conditions. Protects against varnish buildup and sludge formation. Exceeds the rust protection requirements for NMMA certification.Size; 1 LitreSpec: 25W50 synthetic oilQuicksilver Part No: 92-8M0096256