CYLINDER PISTON GASKET KIT FOR WOLVERINE YFM450 450 This rebuild kit is designed for engines experiencing low compression, cylinder blow-by, or piston seizure.It includes all necessary components for a complete end rebuild.Kit includes 1 x 84.5mm Cylinder made of aluminum with an internal cast iron liner 1 x Piston 1 x Piston Ring Set 1 x 20mm Steel Wristpin (57mm length) 2 x Circlips 1 x Cylinder Base Gasket 1 x Cylinder Head Gasket 1 x Chain Tensioner Gasket 2 x O-rings Specifications Condition: Aftermarket Engine type: 4-Stroke Displacement: 421cc Bore diameter: 84.50 mm Stroke: 76 mm Wristpin diameter: 20mm Wristpin length: 57mm Compatible with YXR450 450 2006–2009 YFM450 450 2007–2016 YFM450 450 2003–2024 YFM450 Wolverine 450 2006–2010 Replacement part numbers Cylinder: 5ND-11310-00, 5GH-11310-00 Cylinder Base Gasket: 5GH-11351-00 Cylinder Head Gasket: 5GH-11181-00 Piston: 5ND-11631-00-YX Piston Pin: 3LD-11633-00 Piston Ring Set (Std): 5ND-11603-00 Circlips: 93450-22027 Chain Tensioner Gasket: 3GD-12213-00 Note: Part numbers are provided for reference and compatibility verification.Compare with your existing parts and images to confirm fitment.This is not an manufacturer part.Manufacturer names are used solely to indicate vehicle compatibility.This replacement part is independently produced.All brand references are for compatibility demonstration only.