Wiseco W5570 Top End Gasket Kit Fits: Yamaha Wave Runner GP 1200 1997-99, Wave Runner SUV 1200 1999-04, Wave Runner XL 1200 1998 Contains all the necessary gaskets and O-rings to rebuild your top end Wiseco gasket kits are made from the highest quality materials and engineered by Wiseco to ensure compatibility with Wiseco pistons and crankshafts Each gasket kit is sourced in-house to find the most reliable, high quality suppliers available Ensures a critical seal and superior durability that meets and exceeds OEM specifications