Minn Kota 2771523 Minn Kota 2771523 Collar - Front/Back, Lift Assist Kit T2, ST/T2. Old Part#(s): 2321520; 2321521; 2321522; 2321525; 2321526; 2321527; 2771522. Minn Kota lift assist collar kit fits all Minn Kota Terrova BT and Riptide Terrova BT models equipped with lift assist from 2017 - present. Parts included in this kit are: (1) 2321523 Lift assist front collar; (1) 2321527 Lift assist back collar; (1) 2323429 Screw (SS) 6-32 X 1/2"; (1) 2323110 Nylok Nut (SS) 6-32; (4) 3393450 Screw #6-19 X 3/4"