This is the longer version of our TBW0411 Race Camshaft. Great all around peformance througout the RPM range yet not so agressive that you have to replace your stock valve springs to run it. This cam is for the Chinese engines that do not use a Honda type Camshaft. Common models are Virtual Bikez and a variety of Lifan and Zongchen engines. Size: 35mm large bearing, 32mm small bearing, Approx 74mm center to center.