In order to install the Rubber Seal, Transom (5330-011) to the hull, it should first be attached with epoxy to the Retaining Ring, Transom (5330-010). The Rubber Seal, Transom is round, whereas the Retaining Ring, Transom is oval shaped and must be stretched.
To save the aggravation and time for the install, I offer these pre-attached. Price includes: