I'm selling my brand new spare 880, this is not a shelf motor and has extensive testing, pistons are ceramic coated top and sides. special highly ported cylinder ect, I,m running its twin and it is the strongest BB available for Doo, with all the extras shes @ 200 hp. you choice of domes,. jetting is dialed,I also have a new BRP trued crank as well. Pm for details