stage 6 sport pro 70 kit, anybody every run one

[ace75]

Im looking to make our 50drr into a 70 for trail riding and the odd endure and mx race and have been recommended to go the sport pro route with mach 1 pipe. Any info would be great.

[wickestangwv]

I have a 70 polini evo 3 set up I could sell ya. Has less than 10 hrs on it.

[bb49]

pm sent

[nastynotchback1]

I ran one for a while.If it's built and ported by the right person and gets tuned right it will run good but it ain't gonna be a front runner.