A blow off valve vents charge pressure when the throttle closes, so the compressor is not slammed by its own boost. Turbosmart’s billet valves seal harder than a factory plastic diverter, hold boost without creeping, and come in plumb-back (quiet, recirculated) or dual-port and vent-to-atmosphere form depending on how loud you want it.
This listing: BOV Kompact EM Dual Port VR31 – Ferrari 488 — genuine Turbosmart part number TS-0223-1065.
What you get
- Machined billet body and piston
- Holds boost without leaking under load
- Plumb-back, dual port or atmosphere venting as listed
- Interchangeable springs to suit boost level
Lead time: made to order. Ships in 1–2 weeks from order, direct from our Australian Turbosmart supply channel. Genuine Turbosmart product with full manufacturer warranty and local support.
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