TLM in the Netherlands probably has one: http://www.tlm.nl/nl/onderdelen/gebruikt/gedemonteerd-1100-sport-ie1/
Send an email to usedparts@tlm.nl (they speak English)
Because my 1200 sport runs like a charm and I don't feel the need to modify it, I decided to trade my Renault van for something completely different. A '91 Volvo 240 Super Polar. A proper swedish tank with 313.000 kms. Love it to bits! And with help from a Haynes manual very nice to tinker on.