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”. …

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 …

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 …

K-line Interrupted Spiral Guide-Liners

A Useful Solution to Reconditioning Valve Guides and Race Preparation
K-Line introduced Bronze Guide-Liners to the market over 20 years ago and is the leader in bringing thin wall bronze liner technology to today’s ever changing market. Focusing on quality, efficiency of installation and most of all durability, they have been working for over 25 years to bring the most advanced …