Wired fastback

I am just contemplating re-wiring my 65 fastback .... ie making the looms myself. Any ideas if the connectors are available and if so where from (the ones that go through the firewall etc.) I would like to replace all these rather than cut the existing wires short and connect new wire.
Any suggestions or info would be greatfully received.
 
Personally,I would use an upgraded modern cannon plug connectors if I was taking on that project. However, if you wanted to use the 1960s factory connectors, you could remove the pins from them, clean/inspect and re-pin them with new wires and pins.