Auto Turbo Blow Off Valve for VAUXHALL OPEL ASTRA CORSA Z20LET VXR Recirculating Dump Astra or Corsa VXR blow off valve Designed as a direct replacement for the OEM valve which is prone to failure when the engine has been tuned or had an upgrade to the engine management software. This valve is complete and ready to install with no fitting kit required. This valve is suitable for: Vauxhall / Opel Astra G or H type Z20LET engine Corsa VXR 1.6 Turbo Z16LER Engine Vauxhall Zafira A or B with Z20LET engine Recirculation valve for the Astra or Corsa VXR This piston operated recirculation valve for the Astra Corsa VXR is the perfect replacement for the OEM valve which is prone to failure when the engine has been tuned or had an upgrade to the engine management software. This valve is complete and ready to install with no fitting kit required.