All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance
Made in the U.S.A.
Yamaha -- YZ 250 F -- (2015, 2018, 2017, 2014, 2016); Yamaha -- YZ 250 FX -- (2015, 2016, 2018, 2017); Yamaha -- WR 250 F -- (2018, 2014, 2017, 2016, 2015)
All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Yamaha -- YZ...
All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Yamaha -- WR...
Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing...
Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing...