Turbosmart - Kompact Blow Off Valve Springs Blackbox Perfect for turbo fabrication

Perfect for turbo fabrication

These have been tested in harsh real-world conditions

TS-1 Performance Turbocharger 6466 Externally Wastegated

Dual outlet-type BOV designed specifically for the Subaru 98-00 Forester and MY99 WRX

Turbosmart - Kompact Blow Off Valve Springs Blackbox Perfect for turbo fabricationTurbosmart Kompact Blow Off Valve Springs Turbosmarts springs are designed to work with our Plumb Back, Dual Port and Supersonic blow off valves. They offer a wide range of spring rates to suit your driving style and application. Turbosmarts springs are made from high quality materials and are designed to maintain the peak performance of your blow off valve under the most extreme conditions. Choose from our selection of Turbosmart springs to get the