MSE GSKT YZ400F '98-99

Top End Gasket Kit

• Moose can now handle all your gasket and seal needs at a fraction of OEM cost
• High-tech materials provide unmatched reliability and performance
• Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit
• Oil seals are genuine OEM replacement seals
• Performance sets designed for a piston replacement
• Includes every gasket, O-ring and seal required to rebuild a top end; valve seals, head, base, exhaust, tensioner, and other misc. gaskets and O-rings
• Does not include formed rubber valve cover gasket
• Formed valve cover gaskets are included in complete kit with oil seals
• High-compression kits use .012" thick base gaskets to raise compression
• Cost-effective way to raise compression without expensive high-compression pistons or cylinder head work
• All gaskets made in the U.S.A.