These Complete or Top End Gasket Sets come with everything you need (excluding crank seals) to rebuild the top and bottom ends of your dirt bike, dual sport, ATV, or UTV engine. Every single gasket, o-ring, and seal is made from a premium material that exceeds OEM standards and is cut thick enough to inspire confidence in the seal created. Made for a large array of applications and each piece can be used interchangeably with other OEM components to make your rebuild move as smoothly as possible.