Driven HR2 is a mineral based oil with high zinc content and excellent start up protection properties. HR2 protects against rust and corrosion in the engine during winter storage and provides superior camshaft wear protection. A unique anti corrosion pack protects engines that are not used that often, eliminating damaging effect of dry starts.Perfect choice for classic road and competition carsUnique anti-corrosion pack protects engines that have little useContains an ethanol-neutralising additive to combat internal rust corrosionIdeal for use in small block engines with flat tappet, overhead or roller cams1 Quart (0.94 litre) bottle