Is this product for you? Penrite Full Synthetic 10W-40 is a premium, nonfriction modified, SAE 10W-40 engine oil. It contains a FULL ZINC anti-wear additive pack and uses a combination of the latest additive technology and a low shear rate viscosity modifier, to ensure additional protection against wear, corrosion, oil oxidation, piston deposits and sludge under all conditions. Full Synthetic 10W-40 exceeds API SN/CF and ACEA A3/B4 as well as many other specifications. What does it suit? For use in modern 4, 6 and 8+ cylinder multi-cam, multi-valve (including VVT), naturally aspirated, supercharged & turbocharged engines. It can be used where SAE 10W-30 and SAE 10W-40 grade oils are recommended in the owners handbook. It may be used in light duty diesel engines where ACEA A3/B3 or A3/B4 is specified by the manufacturer. Fully Synthetic 10W-40 is suitable for use in passenger cars, 4WDs, motorcycles & light commercial vehicles. It is suitable for use in four stroke motorcycles with wet clutch. It is compatible with Petrol/LPG (Dual Fuel), E10, Diesel and most other other conventional fuels. If using with E85 fuel, Penrite recommend more frequent oil change periods.