Wiseco Performance Top End Gasket Kit

Part Number: W5978
Piston Size:
66.40-68.50mm

• Wiseco gasket kits are made from the highest quality materials.
• 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
• Contains all the necessary gaskets and O-rings to rebuild your top end.

Fits: 
2002-19 Yamaha YZ 250
2016-19 Yamaha YZ 250 X