Description
The A90 MKV Toyota Supra equipped with the BMW B58 engine has a very complex crank case ventilation system that works well at factory power levels. However, we have found it to leak or damage the PCV system with upgraded turbo running high boost. The leaky PCV system can cause severe lag on turbo system and/or blow by into the intake system. We have developed these pins that inserts into your OEM valve cover. There are no machining and/or pressing needed. These pins goes inside the valve cover where the ports are located by the intake port. Each set comes with 3 valve cover block off pins.
You may want to add an auxiliary oil catch can to vent the excessive crank case pressure since the OEM PCV system will be blocked off.
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