B.C. Stage I Street Cam profile is designed to increase the performance of your vertical twin while allowing the motor to continue to be streetable. The lobe center values are modified and the lift and duration cycles increased. Valve overlap is increased but not to the degree in which it affects idling. The kit has been developed as performance upgrade, check with local regulations prior to purchasing and installing this part.  

**For off road use not legal for registration for on road use in California**