Description

Evolution Industries 30 tooth Primary Sprocket and Chain Kit

* Raise RPM to achieve maximum performance to eliminate lugging

* Constructed of aircraft quality steel

* Heat treated to insure maximum strength

* Kit includes USA Made Regina Chain and 30 tooth sprocket

* Almost 8 pounds lighter than stock

The Secret to a good launch from a dead stop is gearing!

A 30 Tooth front sprocket changes the O.E. primary gear ratio from 1.352 to 1.533:1 which dramati