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Cuscos High Pressure Radiator Cap operates at 1
and allow for more aggressive cam profiles without increasing valve spring seat pressures
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Blue 2019 Subaru BRZ Series
IAG Blow Off Valve Recirculation Block Off Plug - 2015-2021 Subaru WRX 2023-2025 Ascent Cuscos High Pressure Radiator CapThe IAG Blow Off Valve Recirculation Block Off Plug is designed for vehicles converting to an atmospheric blow off valve. The IAG Blow Off Valve Recirculation Block Off Plug is designed for vehicles converting to an atmospheric blow off valve. The billet aluminum plug fits into the OEM recirculation tube and is finished in an anodized black to protect against corrosion. Fits 2015 16 Subaru WRX.