These sets include the head, base, and upper end gaskets. They are designed for piston replacement. .This item fits H-D the following vehicle applications:fits Arctic Cat™ DVX 400 2004-2008fits KAW KFX400 2003-2006fits SUZ LT-Z400 QuadSport Z 2012fits SUZ LT-Z400 QuadSport Z 2003-2009fits SUZ LT-Z400 QuadSport Z LE 2012

These sets include the head, base, and upper end gaskets They are designed for piston replacement