Hi Boy's
I use the evo2 P7-R that are tuned by solaroli and i found them to be very good,they tune very easy and produce very good power.
What has me shocked the most is that i have put close to 18lts of fuel through the motor and i can't see or feel any slop on the conrod.
But in saying that,i have had to change the bearings.
(I am very happy with my motors.)