Coronavirus – Important information

The museum collection remains closed to visitors, please click here for key information.

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

Miracle Seal


Miracle Seal

In stock

SKU: FA0944 Category:

Product Description

Miracle Seal – seals leaks instantly and is a permanent solution whilst remaining in the system. It contains lubrication and anti-corrosion additives and is used for sealing leaks in Domestic, Commercial, Industrial and Automotive heating systems.

Size: 250ml

This bottle will suffice for a cooling system of up to 25 litres

PLEASE NOTE: UK Mainland only shipping.


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