I'm looking around for options to swap a 5 or 6 speed manual transmission into an XJS, and I've found some options for E-types. Considering the E-type V12 is the same as the one in the XJS, I was wondering if any of you have experience with this (or other) manual transmission swap kits

V12 Jaguar E-TYPE 5 Speed and XJS 5 Speed Conversion Bellhousing

Thanks!