Vforce/Moto Tassinari V-Force 4X Reed Valve Set - Yamaha V4X07Em

• Designed to offer you exceptional durability and overcome the shortcomings of the stock reed valve system • Increases engine power and throttle response - KTM 50 SX (2018, 2017, 2023, 2015, 2016,...

When ordering replacement reeds, order one set per reed cage and confirm replacement reeds have the same number of petals as the set you are replacingSnap-together cage uses symmetrical reed petals,...

Long reed stops added to progressively slow petal tip velocity, for increased petal durabilityReduced frontal area of central wing by 15.6%, combined with a more aerodynamic shapeCombined reed tip...

Long reed stops added to progressively slow reed petal tip velocity for increased petal durabilityReduced frontal area of the central wing combined with a more aerodynamic shapeAirfoil shape added to...