The Tusk Competition Clutch Kit is a high-performance clutch perfect for racing and high heat applications. Compatible with: SHERCO 2018-2022 250 SEF Factory --- 2018 250 SEF Six Days --- 2014-2021 250 SEF-R --- 2016-2017 250 SEF-R Factory --- 2017 250 SEF-R Six Days --- 2018-2022 300 SEF Factory --- 2018 300 SEF Six Days --- 2014-2022 300 SEF-R --- 2016-2017 300 SEF-R Factory --- 2017 300 SEF-R Six Days