Brand new 94mm pistons for Ducati 748 engines- Mosnter and Supersport.- Gives 853ccwith stock stroke. These are brand new pistons that work great with air cooled Ducatis. Bruce Meyers/Meyers Performance Design made by Wiseco. Price includes TWO PISTONS, rings, wrist pins and circlips. These work great and usually produce significant torque and horsepower gain over stock pistons.