Club stores have the same Solex carbs Norman at £121, but they are ‘copies’ as far as I am aware from all the suppliers. Be aware of CAS minimum postage charge (used to be 25 euro?)
Fransen have the same carb at £121 euro but again be aware of the difference between a Solex 32PBIC and a 34PBIC, both fit and work fine on a Perfo or 11D engine, but on the 34PBIC the idle screw is on the opposite side and a pain to adjust the mixture…..