10W/40 Part synthetic engine oil. Suitable for Petrol and Diesel engines, Turbo and Normally aspirated. Anti-Oxidant treatment provides resistance to oil thickening and sludge formation. Contains Corrosion Inhibitors. Excellent Engine protection under extremes of load, speed and temperature. Technical specification: Part Synthetic SAE 10W-40 API SL/CF ACEA A3/B3