Jaguar Alloy Wheel Nuts M12 X 1.5 Black 19MM Hex Nut Flat Seat X20. Jaguar XK / XKR Series from 2007 to 2014. Jaguar XF Series from 2009 onwards. Thread Size: M12 X 1.5. Top quality Nuts – featuring the ‘floating’ (freely rotating) washer and ‘Radius’ Flat Seat found on a Jaguar wheel nuts.
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