Yellow BOV Spring for Dual Port/Super Sonic updated 05-2026 balanced rear-end finish

balanced rear-end finish

required for fitment of external BOV

2 x Frequency Inputs (Advanced Wastegate Position Encoder)

Sold as a matched pair for easy fabrication and installation

This also aids in valve & guide cooling which further extends service life in demanding environments

Yellow BOV Spring for Dual Port/Super Sonic updated 05-2026 balanced rear-end finishYellow BOV Spring for Dual Port Super Sonic 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