Nucleus Classic Elite Valves & Guides

The Cylinder Head Shop designs and manufactures its own range of ‘Nucleus Sports Elite’ brand valves and guides. These are current available for the following models. Please contact us for details of stock, and requests for other models and custom designed items.

Nucleus Street Elite Valves & Guides

Cylinder Head Shop Nucleus Street Elite Valves and Guides are design specifically for today’s high performance sport motorcycles. The Nucleus Sports Elite stainless steel valves are the best available stainless steel valves on the market, designed with the benefit of 25 years experience of working on virtually all models, of all makes of motorcycle and with all other aftermarket manufacturer’s …

Rolling Roads in the UK

Carb Settings and rolling roads, how to set your head up properly.
After having your head re-worked to high quality, close tolerances, setting up your head requires expert help re-jetting the carbs. This will add to its performance, clean running, emissions level and longevity. Injection systems also require re-calibration, but this is not quite as critical.

We recommend that you use a …

Serdi 100

CHS Seat Cutting on Formula One Standard Equipment. The Serdi Systems were the first valve seat cutting equipment capable of producing the degree of valve seat accuracy required in today’s formula one racing engines and is widely used by a number of racing teams and leading manufacturers.
Although now superseded by the Serdi 5 & 7, the Serdi 100 remains the …