ENGINE CODE: Z20LEH. Vauxhall Zafira VXR 2005-2010. 1 x Enhanced CHRA. Vauxhall Astra VXR (H) 2004-2009. Note: all parts being reused MUST be in a good working condition. WANT THE CHRA FITTING?. · New, uprated, lightweightRace Billet Compressor Wheel.