USED fuel rail, loaded with injectors, switches etc, as illustrated. AKA induction manifold adapter. See #1 in second illustration. FITS 2003-2005 S-Type R 4.2 supercharged up to vin# N52047 & 2004-2005 XJR 4.2 supercharged up to vin# G49700. AJ88898 AJ89718 AJ811007 AJ81111 (AJ811111)