Includes: Cylinder Head Gasket Base Gasket O-Ring Chain Tensioner Gasket Cylinder Head Cover Gasket Compatible with Known Brands: For zOTHER, For Honda Compatible with Known Chassis: For XR400R, TRX400X, Sportrax Direct Replacement for: 12251-MBV-013, 12251-MBV-003, 12251-KCY-671, 12251-HN1-A41, 12251-HN1-003, 12191-KCY-671, 12191-HN1-A71 This part is known to be compatible with the following vehicles: For Honda Sportrax 400: 1999-2008 For Honda TRX400X: 2014 For Honda XR400R: 1996-2004