our services

About Us

Welcome to JJ performance Engineering  Ltd, 

.JJ performance was founded in 2003 by John and Jan Shields. In this time they have taken the business from strength to strength with their warm welcome & high standards.

They have built a loyal customer over this time & developed a number of apprentices to qualified, skilled motor engineers who delivery a service with quality parts & lubricants which does not affect your manufacturers warranty.

New services include Engine Detox to make your vehicle perform better, use less fuel & produce lower emissions.

special offers

Engine Detox Half Price

Chemical Free Engine De-Carbonising Half Price Offer For More Info.

20% off Engine Remapping

Big savings on remapping for Cars, Vans, Petrol or Diese. For more info

Engine Remapping + Free Engine Detox

Book Full Price Remapping & Get Free Engine Detox For more info

Latest Projects

 
Address: Unit 7, Fleet Martston Farm, Aylesbury, Bucks HP18 0PZ
Company Details: Reg no: 8263106    Vat no: 881 0298 17
 

We accept all major credit cards


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