These are by Performance Springs. They are a Performance upgrade for the XJ6 engine. I believe that would include the XK 120/140 and the E type as well.       

 Installs with 85Lbs seat tension and 190Lbs at .365 lift.                                                                                                                         INTERNATIONAL BUYERS PLEASE NOTE: Due to GST not being applicable the International sale price is LESS 9%.

Please ASK for a shipping price to your destination.

Please Note: We are prepared to give discounts on multiple sets of springs of the same type or multiple sets of different types so please don’t hesitate to ask, as they say, it costs nothing to ask.