4MX Racing Power Valve Adjuster GASGAS
MC85 MC125 EC250 EC300
More aggressive or softer engine characteristics in the blink of an eye. This is now possible with our Power Valve Adjuster. Whether on the road in the mountains or at home in the workshop, you can easily adjust the engine to your needs without tools.
Adjust your powervalve in 5 SECONDS FLAT with NO TOOLS!
Replaces stock powervalve adjustment mechanism
Installs in minutes
Optimize powervalve settings for your riding conditions
Machined from durable, lightweight, CNC machined billet aluminum
Available in black & red
Auslasssteuerungs-Regler Outil de Réglage Valve Regeling Powervalve