DescriptionHeat-treated steel.M28 x 1.0 right-hand internal thread with protectors.See application chart below.This item fits the following vehicle applications:compatible with Husqvarna FC250 2016-2020compatible with Husqvarna FC350 2016-2020compatible with Husqvarna FC450 2016-2020compatible with Husqvarna FC450 Rockstar Edition 2018-2019compatible with Husqvarna FS450 2017-2018compatible with Husqvarna FX350 2017-2018compatible with Husqvarna FX450 2017-2020compatible with KTM 250 SX-F 2016-2020compatible with KTM 250 XC-F 2016-2020compatible with KTM 350 SX-F 2016-2020compatible with KTM 350 XC-F 2016-2020compatible with KTM 450 SX-F 2016-2020compatible with KTM 450 XC-F 2016-2020