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Structurally integrated into the cover
71 Big Mo BMP X3 L2 91 175
our dual-chamber "Double Barrel" design allows you to thread adjusting screws into independent ports
Performance Features:
By installing these performance parts
Exhaust Valves Rave Style / Arctic Cat Select Model:F/M/X-Fire 800 Structurally integrated into the coverWe have upgraded our exhaust valve technology from a membrane bellow style actuator to a piston style actuator. A much simpler design that uses less components and eliminates bellow failure in big bore and turbocharged applications. Our piston mechanism stays lubricated by the engine's 2 stroke oil system and is actuated by the exhaust pressure from the cylinder. Same design works well with naturally aspirated engines as well. We developed this valve
US$ 1749.50
US$ 1249.50
US$ 1999.50
US$ 1499.50