Feature●✔CYLINDER PISTON RING GASKET - Compatible fit for 2001 - 2006 for POLARIS 90 SPORTSMAN●👍FUNCTION - Cylinder piston set is the heart of engine. ECCPP Cylinder has been factory honed and deburred to help your new top end work efficiently and is solid cast iron and a black powder coat has been added to give the Cylinder OE part look●👍BEST FEATURE - ECCPP Replacement piston sets engineered from premium materials to provide exceptional service life and reliability. Pistons gasket kit with precise density to provide a reliable seal with minimal tightening. We only uses high-quality cast-iron to satisfy the tough demands, they are the superior choice when building a professional racing engine●✔PART NUMBER -0450007, 0450004, 0450009, 0450005,0450011, 0450012, 0450802 ,0450877,0450023, 0450027●👍WHAT INCLUDED -1X CYLINDER,1X PISTON,1X PISTON PIN,1X COMPLETE SET OF RINGS,2X GASKETS,2X CIRCLIPS,1X FREE NGK SPARK PLUG. One year limited warrantyDescription