ISP Mercedes C63 C63S Blow Off Valve Spacer W205 4.0 V8 Biturbo
- ✅ BOV Spacer Adapter for Mercedes-AMG 4.0L Biturbo (M177/M178)
- ✅ CNC machined 6061-T6 aluminum – black anodized
- ✅ Produces true turbo blow-off sound – no ECU tuning needed
- ✅ Prevents OEM valve melting from high heat
- ✅ Plug & Play installation – includes stainless bolts
€119.90