Unmatched Performance & Durability since 1983
J Precision specializes in high performance machining of engines components. We let your local qualified mechanics to do the final assembly. Contact your local dealer for more details.
We’ve been working on Ducati engines for more than 15 years. Whether you are building an engine for street or race application, J Precision is your proven source for power, reliability and service.
3D Port Design
Using the latest CAD technology, we design and develop high flowing intake and exhaust ports for various Harley-Davidson™ cylinder heads.
5 Axis CNC Cylinder Head Porting
Our 5-axis CNC cylinder head porting center uses computer control to accurately replicate our best porting designs.
Valve seats machining
J Precision high flow valve seat profiles are designed in house and are machined on a NEWEN CONTOUR CNC valve seats machine to give you the most accurate and efficient seat job in the industry, resulting in more power and durability.
Unmatched Performance & Durability since 1983
J Precision specializes in high performance machining of engines components. We let your local qualified mechanics to do the final assembly. Contact your local dealer for more details.
We’ve been working on Ducati engines for more than 15 years. Whether you are building an engine for street or race application, J Precision is your proven source for power, reliability and service.
3D Port Design
Using the latest CAD technology, we design and develop high flowing intake and exhaust ports for various Harley-Davidson™ cylinder heads.
5 Axis CNC Cylinder Head Porting
Our 5-axis CNC cylinder head porting center uses computer control to accurately replicate our best porting designs.
Valve seats machining
J Precision high flow valve seat profiles are designed in house and are machined on a NEWEN CONTOUR CNC valve seats machine to give you the most accurate and efficient seat job in the industry, resulting in more power and durability.
Performance Cylinder Head Porting
We offer cylinder head work for all Ducati models, from valve seat installation to full race porting. We offer head porting for a range of different applications, from mild to aggressive, from street to track. CNC porting is available on our dedicated 5-axis machine.
The more you learn about High Performance engines, the more you will enjoy your motor heads modified JPrecision.
The result is maximum power, acceleration and durability that you can get yourself.
Adrenaline and Satisfaction Guaranteed!
Adrenaline
and Satisfaction
Guaranteed!
SELECT YOUR ENGINE!
Ducati 2 Valves
Ducati 4 Valves
