The athena top end gasket kit for ktm exc-f250 2017-2018 is part of the latest collection from athena.Features: includes all necessary top-quality gaskets, rubber parts and valve stem seals to rebuild top-end and complete engines respectively head gasket features rubber-coated spring steel construction soft steel base gaskets are rubber coated steel core material features high spring-back and superior tensile strength revolutionary transparent coating guarantees a perfect seal even at extremely high temperatures high-temperature blue silicone beading on most critical flat gaskets specifications: engine type: 2-stroke 4-stroke product name: gasket kit type: top end units: kit to fit: husqvarna fc 250 2016 all models husqvarna fc 250 2017 all models husqvarna fc 250 2018 all models husqvarna fe 250 2017 all models husqvarna fe 250 2018 all models ktm exc-f 250 2017 sixdays european models ktm exc-f 250 2017 all models ktm exc-f 250 2018 sixdays european models ktm exc-f 250 2018 all models ktm sx-f 250 2016 factory edition american models ktm sx-f 250 2016 all models ktm sx-f 250 2017 factory edition american models ktm sx-f 250 2017 all models ktm sx-f 250 2018 all models ktm xc-f 250 2016 american models ktm xc-f 250 2017 american models manufacturer part number: p400270600078view all athena. View all parts and spares.