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Engen PRIMAX Unleaded petrols (ULP) are refined, processed and blended in South Africa for optimum performance under harsh South African conditions, and are available in two grades:
– 95 Octane for use at altitudes below 1200 meters
– 93 Octane for use at altitudes above and including 1200 meters

Engen PRIMAX Unleaded 95 is available at selected Inland retail service stations to enable high performance vehicles to utilise the benefits from a higher-octane petrol.

Engen PRIMAX Unleaded exhibits excellent oxidation stability and is formulated with intelligent additive fuel technology to clean-up and keep fuel systems clean, restore power and reduce exhaust emissions. Engen PRIMAX Unleaded further includes a friction modifier and a unique organic combustion improver to offer further enhanced fuel economy and drivability performance. Engen PRIMAX Unleaded exceeds the latest South African National Standards (SANS 1598) specifications.


Engen PRIMAX Unleaded is suitable for service in all spark ignition internal combustion engines making use of fuel injection (including Gasoline Direct Injection) or carbureted systems in motor vehicles, motorcycles, lawn mowers and outboard motors. Engen PRIMAX Unleaded is recommended for use in late model, high performance engines designed to run on fuels of this type.

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