New threaded exhaust option

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In response to this we have invested in some more high tech tooling to produce the thread. The process used in called 'thread milling' - A method only possible using a modern CNC machine. Click the video to watch a head being threaded.

The head casting is mounted in a special jig in a 4th axis and moved to the correct position. A single point tool, with the Whitworth thread form, spirals down into the pre-bored hole to produce the thread in one pass. The result is a perfect thread every time!

Another example of Works Racing using the very latest technology to produce engines of the highest possible quality.