Suzuki RMZ250 2021 - 2025 Pro-X Steel Exhaust Valve Conversion Kit

Pro-X Steel Exhaust Valve Conversion Kit

ProX has developed the Steel Exhaust Valve & Spring Kits, containing a set of steel exhaust valves plus a set of specially designed stronger valve springs. The ProX kit just replaces the OEM valves & valve springs and can be installed using the OEM retainers, bases and valve seats.


• Made from the toughest materials available.
• Steel valves for increased durability and less wear under extreme conditions
• Nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide
• Special stronger valve springs deal with the extra weight of the steel valves
• Spring are made from premium Chrome Vanadium Steel for higher performance and durability under high RPM
• Fully rebuildable with OEM retainers, bases and seals without the need of any further engine modifications
• Comes as complete package for quick, easy and cost efficient replacement

Fitment Details

• Suzuki RM-Z250 2021
• Suzuki RM-Z250 2022
• Suzuki RM-Z250 2023
• Suzuki RM-Z250 2024
• Suzuki RM-Z250 2025