Composition & treatment:• Top quality Aluminium-Silicium alloy• Casted or forged• Molybdenum disulfide protective layer.• Equiped with nitrided steel ringsFeatures:• Lightweight and resistant• Limits the vibrations• The engine will build up revs fasterThe kit includes:• 1 Piston• 2 Rings• 1 Pin.• 2 Snap clips