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.

Setting up your Head Properly: Carburetion

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 rolling road with gas analysis equipment. In general, you will need …

Tuning for Speed

Philip Edward Irving OBE, C.Eng., M.I.Mech.E., M.S.A.E., (1903–1992) was an Australian engineer and author, most famous for the classic engine performance guide, ‘Tuning for Speed’.
Tuning for Speed should be on the top 10 list of just about everyone’s motorcycle classic book list and has been called “one of the best books ever written on the improvement of motorcycle engines”. …

Cylinder Head & Block Skimming & Resurfacing

IMPORTANT NOTE: WE NOW SUB CONTRACT THIS SERVICE OUT ALONG WITH PRESSURE TESTING>>>
The Cylinder Head Shop uses a Comec RP 1000 fitted with Rottler multi-axis table, utilising CBN and diamond tooling to produce a perfect finish on cast iron and aluminium heads for diesel and petrol fitment, two or four stroke.
The RP 1000 is a resurfacing machine for …