TSP CNC Head Insert 2023+ KTM Husky Gas Gas 250cc XC SX TX EX TBI Models CRF250RX Kit Includes: SKU* Clutch Springs gutslogo Kit Includes: SKU* Clutch Springs Clutch Arms Secondary Helix Premium Drive Belt CKSDPO146C S CKSDPO146C S2 S CKSDPO146 S CKSDPO146 S2 S CKSDPO147C S CKSDPO147C S2 S CKSDPO147 S CKSDPO147 S2 S CKSDPO148C S2 S CKSDPO148 S2 S CKSDPO149C S CKSDPO149C S2 S MBGRPO148C S2 S MBGRPO148 S2 S MBGRPO149C S2 S MBGRPO150 S2 S MBPO148 S2 S MBPO149C S MBPO149C SC S MBPO150 S2 S MBPO151C S2 S SDPO146C S2 S SDPO146 S2 S SDPO147C S2 S SDPO147 S2 S SDPO148C S2 S SDPO148 S2 S SDPO149C S2 S SDPO149 S2 S So feel free to go big with lifts the improved dome design gives better throttle response and smoother All TSP mods are designed and dyno tested in house at TSP so you can be sure you’re getting reliable performance and quality products