Moto Tassinari V4144-2 V-Force 4 Reed Valve System engine-crankcase-components-crankshaft-assemblies 2001-2003 Arctic Cat 300 2x4

2001-2003 Arctic Cat 300 2x4

2018 Arctic Cat XF 8000 Crosstrek ES

2011-2012 Harley Davidson XR1200X

1997-2003 Harley Davidson FLSTS Heritage Springer

Moto Tassinari V4144-2 V-Force 4 Reed Valve System engine-crankcase-components-crankshaft-assemblies 2001-2003 Arctic Cat 300 2x4All new design. Has all new reed petal resin system, carbon fiber and lay up. Pre curved reed petal ensures better seal at the tip. Wider reed cage for maximum airflow. Combined reed tip area is increased by 10 1 2% for better airflow. Airfoil shape added to cage tip to increase velocity from the outer ports. Long reed stops added to progressively slow reed petal tip velocity for increased petal durability. Reduced frontal area of the central wing