Description MK1014541 Big Bore Cylinder Piston Gasket Kit Product Info: Piston Diameter: 97.6mm, Type: Flat Cylinder Bore: 97.6mm, 4 Stroke Included in This Kit: (QTY 1) NICHE 519-CCY2201L Big Bore Engine Cylinder Substitute For OEM Part Numbers(s): 3090202, 3090091 (QTY 1) NICHE 2-BKR6E Spark Plug Substitute For OEM Part Numbers(s): 3087257, 3084997, 3070172 (QTY 1) NICHE 519-KGS2212K Gasket Kit Substitute For OEM Part Numbers(s): 3090204, 3090165, 3090144, 3090104, 3090102, 3090092, 3090004, 3088030, 3084922, 3084861 (QTY 1) NICHE 519-KPS2448T Big Bore Piston Kit Substitute For OEM Part Numbers(s): 3090173 Compatible with the Following Vehicles: Polaris Sportsman XP 550 EPS: 2009-2014Polaris Sportsman XP 550: 2009-2014Polaris Sportsman X2 550 EPS Limited: 2014Polaris Sportsman X2 550: 2010-2014Polaris Sportsman Touring 550 EPS: 2012-2014Polaris Sportsman 550 EPS Limited: 2014Polaris Sportsman 550 EPS: 2010-2014Polaris Sportsman 550: 2010-2014 WARNING: This product can expose you to chemicals including lead and phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit