At JHH we are dedicated to supplying the industry with the highest quality services for all your performance needs. Our on-going commitment means you get the horsepower requirements for your winning aspirations.

Our full range of services include:

• Cylinder Head Design and Modification
• Engine Assembly
• Race Engine Preparation
• Precision Engineering
• Alloy Welding
• Dynamic and Static Engine Balancing
• CNC Machining and Manufacture
• Piston Machining
• Fly-cutting
• Full Turning and Milling facilities
• Full Engine and Cylinder Head Reconditioning
• Component Testing
• Cylinder Block and Head O'ringing
• Custom Valve and Bronze Guide Manufacture

Our capabilities allow us to manage projects to achieve maximum cost effectiveness and lead-time reduction. Our staff have the expertise, skill and capabilities to make it right first time, on time.

The quality of our workmanship, parts and service is second to none. We have a proven track record in providing outstanding support to all our customers and continue to make advancements with technology.