A load of rubbish!!

Any one risking a std crank for upto and over 9k are mad!! its not the strength its the harmonics caused when using these at that rev and power level..

Iv had a custom narrow journal arrows one made for my conversion under mike jennings advice and drawings..

The crank is stronger lighter and twin counter balanced to help with harmonics as well as having cross drilled big end journals...

A std crank is an awesome bit of kit to say 600-650 hp imo but after that you need something like the arrows


cheers danny