Yamaha 800 Power Valve 2-Stroke Motor.

Kit Includes:
2 Cylinder Base Gasket
1 Head Gasket
1 Exhaust Manifold Gasket
2 Carburetor Base Gasket
1 Intake Gasket
2 Powervalve Cover Gaskets
4 Powervalve Oil Seals

Fits The Following Models: 
1998-2002 Yamaha GP800 Top End Gasket Kit
2003-2005 Yamaha 800GPR Top End Gasket Kit
2000-2001 Yamaha XL 800 Top End Gasket Kit
2002-2004 Yamaha XLT 800 Top End Gasket Kit

NOTE: Generic image and may not depict your exact kit.