Our Services

Performance Specialists for Road, Race & Rally


Modern Classic & Vintage Restorations

Full & Part restorations for Modern Classic & Vintage road, rally & race cars


Race & Performance

Race Preparation & Performance Upgrades

Race Builds & Preparation for the Track - Performance Upgrades for the Road

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Hydrogen Engine Clean

Chemical Free Engine Detox

De-carbonise your engine to improve performance & efficiency

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Contact Us


Contact Us

Unit 7 Fleet Marston Farm, Aylesbury HP18 0PZ, UK

01296 655255

Opening Hours

Come Visit

Mon: 8:00am - 5:30pm
Tue: 8:00am - 5:30pm
Wed: 8:00am - 5:30pm
Thu: 8:00am - 5:30pm
Fri: 8:00am - 5:30pm


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01296 655255

Servicing, Repairs, Performance Upgrades, Road, Rally, Race,

JJ Performance Engineering Ltd

Unit 7 Fleet Marston Farm


HP18 0PZ