This can be found either in your Log Book or on the Bottom Left of your Front Windscreen. YOU ARE VIEWING A SET OF TOP TENSIONER. C2A 1511 X 1 (RHB TOP TENSIONER). C2A 1512 X 1 (LHB TOP TENSIONER). ALL XK8/XKR 4.0 MODELS , AND THE VERY LATEST 4.2 ENGINE MODELS.
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