If you have a Nelson OB or Nova 21 or 45 OB or IB.you may want to give John Albritton a call. We have run them at time trials and recently at the WTChamps. I have them in our Nelsons, K&B 45 and on Ron Drakes 45 Nova we are testing. Andy Smith used one on his outlaw 40 leeCraft at Charleston and...