S&S 110CVO Hi-Comp piston kit 4.010"

Great in combination with S&S 585 bolt-in cams, performance air cleaner and performance exhaust, these pistons increase compression from 9.3:1 to 10.6:1 and can bring horsepower up to 114 with the free downloadable tune file for the Dynojet Power Vision. Easy to install without removing the engine from the chassis. Pistons are supplied in sets for front and rear and include wrist pins, retaining rings and piston rings. Fits all 2007 thru 2017 CVO 110 Twin Cam engines.