A high quality mineral oil 5 litre quantity Lucas SAE 20W-50 is a high performance oil. Formulated with unique Lucas Oil additives, lubricity and anti-seize agents. Certified with API and meets or exceeds SN service categories. Lucas SAE 20W-50 is perfect lubricant for low temperature or extreme high temperature and is compatible with both synthetic and conventional motor oils. Designed for use in gasoline engines only. Lucas 20w50 Motor oil is formulated to resist oxidation and thinning out at high crankcase temperatures.It contains a high level of detergents and dispersants to resist sludge and varnish formation. It provides protection against rust and cossorsion during shut downs and neutralizes combustion acids. It has special anti-wear additives for film formation to protect against scuffing and wear. The protective film assures a 'wet start' every time - even after long periods of non-use. It is also excellent for use in worn engines. We are pleased to be able to offer Lucas oil products, please contact if you need transmission/gear oil/power steering or other lubricants