Exhaust Control Spring Thrust Bearing for KTM 250/300 1998-2023 - 54837075100 casti It prevents air leaks between

It prevents air leaks between the reed valve assembly and the engine case

Its precise tooth profile ensures smooth engagement with the power valve linkage

and XC-F from 2014 to 2026

Using original equipment manufacturer parts guarantees the durability and heat resistance needed for competitive off-road riding

This genuine OEM expansion chamber is a critical component of your motorcycle's exhaust system

Exhaust Control Spring Thrust Bearing for KTM 250/300 1998-2023 - 54837075100 casti It prevents air leaks betweenThis genuine OEM spring thrust bearing is a critical component of the exhaust control system for two stroke engines. It provides a stable and precise seat for the auxiliary spring, ensuring the smooth and consistent operation of the power valve mechanism. As an original factory part, it guarantees the exact tolerances required for optimal engine performance. This part features extensive compatibility across KTM, Husqvarna, and GasGas models. It fits