This 2-cylinder piston and gasket kit is compatible with BRP 1000 models and includes parts 420929650, 420845109, 420845107, and 420845106.The kit features gray or silver-toned components with a 91mm cylinder bore designed for proper fitment and efficient engine performance.Package contents include 2 cylinders, 2 head gaskets, 2 base gaskets, 2 pistons, 2 piston pins, 4 circlips, and a complete set of piston rings.The components offer effective heat dissipation and reduced operational noise.materials provide wear resistance and support extended service life.This kit is suitable for engine rebuilds in various riding conditions.