Skunk2 Dual Valve Spring are lighter than stock valve springs. They comes in two different types. Tuner Series valve springs are made from super clean chrome silicone wire milled in Japan. The inner and outer spring creates harmonic rhythm to provide stablity when your vehicle exceeds 10,000 RPMS. These valve springs are designed to be used with Skunk 2 Titanium Retainers and can be used on street / Race vehicles with moderate to high cam lift. Skunk2 Pro Series Valve Springs are one of the best valve spring available in the after market. They are designed to handle the demands of extreme ligt camshafts running at the prolonged high rpms of professional championships. It is one of the lightest valve spring available in the after market. The Skunk2 Pro Series Valve springs is the only valve spring designed for use with Skunk2 Pro Series Camshafts.
