Many cylinder head preparation options are available for your Japanese sport/race bike.  They include:

• exact current compression ratio calculation
• milling/cc'ing for selected compression ratio
• radius and/or angled seat cutting with insert type equipment
• replacement and oversize seat installation
• valve guide exchanging, reaming and honing
• valve size selection guidance and reconfiguring for improved flow geometry
• combustion chamber unshrouding, reshaping and/or welding
• porting work for flow and velocity optimization for your application
• port welding and relocation
• carb sizing and selection guidance
• intake tract tuned length and dimensional planning
• custom exhaust system design, fabrication and existing system modification
• camshaft selection guidance and custom profile designing
• complete engine modification package planning for gasoline, methanol, nitrous oxide, or forced induction using state of the art wave simulation techniques