5ND-11310-00-00 Cylinder Kit for Yamaha Kodiak 450 YFM50 2003-2021 ;s Top End Rebuild Kit (Cylinder, Piston & Gaskets) For Yamaha ATV & 4x4 Models: - Yamaha Kodiak 450 YFM450 - Yamaha Kodiak 450 4WD 2003-2019 Yamaha Kodiak 450 2020-2021 Yamaha Kodiak 450 EPS Yamaha Kodiak 450 EPS For Hunter Yamaha Kodiak 450 EPS SE Yamaha Kodiak 450 For Hunter Yamaha Kodiak 450 4WD For Hunter 2006-2019 Yamaha Kodiak 450 For Realtree 2003 Yamaha Kodiak 450 4X4 Hardwoods 2004 Yamaha Kodiak 450 AUTO 4X4 Yamaha Kodiak 450 4WD Special Edition 2006 Yamaha Kodiak 450 EPS 4WD 2018-2019 Yamaha Kodiak 450 EPS 4WD For Hunter 2018 Yamaha Kodiak 450 EPS 4WD 2019 Order Includes: 1x 450cc Cylinder ; 84.5mm Bore Piston ; 84.3mm Piston Ring Set ; 84.3mm x 1mm Wrist Pin ; 20mm x 58mm 2x Wrist Pin Clips ; 22mm Aluminum Head Gasket Base Gasket Intake Gasket 3x O-Rings Specs & Dimensions Yamaha: 5ND-11310-00-00 Single Cylinder Four Stroke Single Overhead Cam Bore: 84.5mm Stroke: 75mm / 2.96" Engine Displacement: 421cc / 25.7 cu. in. Compression Ratio: 10:1 **Manufactured to exceed OEM specifications** Check out the Store!