Can you add to the list Item you can think will be handy for a fault finding Kit.
Also Add you name in brackets if you can donate to the BBW spare's kit.
Items marked (Adam Quantrill) below, pm me to arrange to borrow, some things will need a deposit (no wives accepted).

If you geographical area isn't obvious from your profile, please list it here.

General

Extra Air Valve (TVRleigh)
Cold Start Sender
ECU Temp Sender (Adam Quantrill)
Otter Switch (TVRleigh)
Coil (Adam Quantrill) Chedder
Ignition Amp (Adam Quantrill) Chedder
Leads (TVRleigh) Chedder
Lucas Cap (TVRleigh) Chedder
Lucar Arm (TVRleigh) Chedder
throttle pot (Adam Quantrill can refurbish)
Couple of decent lengths of test wire (Convert)
Multimeter (Convert) (Adam Quantrill)
Oscilloscope (Adam Quantrill)
Starter motor GSX600-Reading

Flapper

AFM (Adam Quantrill) Chedder
ECU (Adam Quantrill) Chedder

Hotwire

AFM
ECU
Stepper motor
Injectors GSX600-Reading


Also a nice set of links to pages with testing and info as found in other posts, but could be handy to keep in this sticky. (please and any other usefull sites.)

SD1 site
Landrover site with PDF manuals
Range rover site
British RV8
Fuel injection Site
RPI site
Mez RV8 tuning and Megasquirt
And penultimate but not least
RV8 Forum
... and last but definitely _NOT_ least...
Wedgepages