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CNC Porting

6R4 intake portThe traditional method of modifying cylinder heads by hand fettling was superseded some years ago with the advent of CNC (Computer Numerically Controlled) machinery and CAD-CAM (Computer Aided Design – Computer Aided Manufacture) techniques. However, this has been the preserve of the better funded professional engine companies such as Ilmor Engineering and Cosworth simply because the machinery, software and resources have been beyond the reach of smaller operations.

SuperFlow SF-1020 computerised airflow rig Ultimate Performance has developed both its own software – Ultimate Port Design – and its own unique machining techniques which enables the creation and production of complicated 3D geometry to be developed efficiently and cost effectively. This, together with a state-of-the-art air flow rig and a great deal of engine development experience has made it possible for Ultimate Performance to offer superior, CNC modified cylinder heads that comfortably outperform any other comparable cylinder head on the market today.

6R4 intake port machiningAlthough Ultimate Performance cylinder heads are designed for power with no compromise, regular customer cylinder heads are usually turned around inside 10 working days and many of our professional customers enjoy as little as 24hr turnaround times depending on head specification.