Rebuilt Harmonic Balancer For Crankshaft, With Serpentine Belt & 90amp Alternator. See #7 In Second Illustration. FITS 1988-1989 XJ6 3.6 & Some Euro Spec XJ6 3.2 & XJS 3.6 (Please Contact Us With Your Euro Spec VIN#). Does NOT Fit The Usa Spec XJS 5.3L V12!! The price includes a $200 core charge that you get back when you send your old part to us. Core charge note: Your core must be in rebuildable condition or your core charge will not be refunded. (EAC7005)