Only one blanking plate needed to block the E G R valve as per the attached photos of both 8v and 16v.
Saab vauxhall 2.8 v6 a28 z28 b284 sai Blanking Plate 2x vectra
Saab 9-3 9-5 Blanking Plate 1.9TTid Z19DTR A19DTR 2.0Tid TTid A20DTH DTR E*G*R
for 1.8t sai blanking plate + 18T Engine SAi Delete Block Off Plate Billet Aluminum Exhaust Accessory Fits for Mk4 B5 B6
Jaguar 5x Blanking Plate Gasket XJ MK3 XJ XJ6 XJ12 XJS EBC9629 Genuine NEW
Z20LET Z20LEH A/C BULKHEAD PORT BLANKING PLATE 2.0 Turbo 16v VXR GSI SRI
CLASSIC MINI HEATER VALVE TAP BLANKING PLATE INC GASKET COOPER ROVER AUSTIN AD8