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 Made in the U.S.A. Does not include valve stem seal Does not include mechanical water pump seal Includes every seal in an engine including crank shaft seals. MTR SEALS YZF450