Precision-machined from nickel bronzeNickel content of 5% produces superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivityCompatible with no-lead...
Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A. Husqvarna -- FS 450 -- (2017, 2018); Husqvarna -- FC 450 -- (2015, 2018,...