Coronavirus – Important information

The museum collection will reopen to visitors on Monday 17/05/21, please click here for key information.

The museum is currently closed, but online sales via our web shop remain operational. This includes all retail goods, Bruce Main-Smith Technical literature and online raffle sales. However, please note that we will be unable to dispatch goods ordered until the Thursday of each week. This will also include confirmation of your on-line raffle entry. The National Motorcycle Museum values your support very much at this difficult time, please rest assured that we will dispatch all goods ordered as soon as we are able. For any queries please contact

Castrol Oil GP50 – Gallon


Castrol Oil GP50 – Gallon

Product Description

Castrol Classic Oil GP50  1 Gallon

A low detergent, high quality monograde SAE50 mineral based oil of high viscosity with certain anti-oxidant and load carrying treatment. GP50 is suitable for applications requiring an oil of high viscosity and relatively low performance levels such as older (vintage) engines and some motorcycles. 1 gallon (4.54 litres) supplied in a classic metal can.


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