I thought I read that someone tried out a polaris spring to bring up the RPM's on the V-Force, who did it and what did they think about it. I called EPI yesterday on my clutch kit and it is still 2-3 weeks out on backorder they are waiting for a part of the kit to be supplied to them still and then they will send out the kits, but I am interested in the polaris spring till my EPI kit comes in. Thanx

 

I put a Polaris brown primary in my V-force. It raised the engagement roughly 300-500 RPM. It hits harder than it did and topend is better.

 

Where did you buy it from, and which one do you change. Thanx