Includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines, respectively - Husqvarna FE 501 (2020, 2022, 2021); Husqvarna FE 450 (2021, 2023, 2022, 2020); Husqvarna FE 501 S (2023); KTM 450 EXC-F (2023, 2020, 2022, 2021); KTM 500 EXC-F (2022, 2021, 2020, 2023)