About Cleanest-Oil.com and Performance Engine Systems

Cleanest-Oil.com is the online presence of Performance Engine Systems which is a UK registered limited company. It is involved in research and development of electronic management systems for automotive use, development of components and distribution of products for motorsport, and the distribution of top quality secondary (bypass) oil filtration systems.

Currently operating in the UK and France, the company also sells online to the general public.

Cleanest-Oil.com - we provide value to our customers in the form of superior products and services at a reasonable price. We have chosen the Frantz Oil Cleaner/Filter as our primary product because of its superior quality and unequaled value in the market place.
Leading the Clean Crusade, Cleanest-Oil MD

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Version Francais/French Version Version Francais

News and Stuff

Fitting video

Our bypass oil filtration systems are easy to fit

Whilst our kits are easily fitted, to make things even easier and clearer we're in the process of shooting a 'fitting video'. Check back soon!!!


Frantz Oil Filter will pay for itself

The Frantz Oil Filter will pay for itself in ten (10) oil changes or less, and can be taken from car to car, engine to engine forever.