SYN–X 4000 FULL SYNTHETIC is a high performance, high quality, full synthetic premium grade passenger car/light diesel engine oil meeting the latest in API additive technology and fuel efficiency (Dexos 1). It is formulated with synthetic base stock ensuring cleaner engines, reduced engine wear and reduced oil oxidation. Boasting a 5W-30 viscosity, it offers rapid start up flow that reduces cold start wear and has excellent thermal stability. SYN–X 4000 FULL SYNTHETIC is recommended for most 4, 6 and 8 cylinder passenger cars manufactured from 1980 onward. It is suitable for turbo charged and super charged engines. It is recommended for Petrol, LPG and lightly loaded diesel engines. Not suitable for motorcycles fitted with wet clutches.