arch extensions

[cuz 62]

could anyone point me in the right direction on where i can buy the rubber gaskets that sit between the wheel arch and the extension i believe it is sticky on one side and is pushed on to the fibreglass on the other any help please or advice on anther way of fitting them they are orginal surf parts minus the gaskets

[cuz 62]

can anyone help with these arch extensions i cant fit them without the gaskets i looked everywhere ????