go direct to newman for there cams www.newman-cams.com i had one of there off the shelf cvh turbo cams but then i wanted one more radical then the cvh37 so they done me a custom cam these are the only cams that will last in a cvh engine email david at pumaracing i have just spoke to him no problem doing you a set but he has so much work on.. kent and piper springs are shite they just dont work right