- Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not include valve stem seals, rubber part, shims or other fiber gaskets.
KTM -- 450 EXC-F -- (2020, 2021, 2022); KTM -- 500 EXC-F -- (2020, 2021, 2023, 2022); KTM -- 450 XCF-W -- (2023); Husqvarna -- FE 450 -- (2020, 2021, 2022); Husqvarna -- FE 501 -- (2021, 2020, 2022)