If you want to convert your TFL nitro outboard pn# 542b42 to electric, this is the kit you will need! Includes the 2 parts circled in the first picture:(1) Zipp Kits motor mount adapter plate pn# 3628. This fits Motors with 25mm mounting screw spacing. (1) OSE 3d printed spacer pn# ose-83427.(4) m3 x 25mm long screws. (1) 5mm coupler to fit square drive 3.5 Flex Cables. NOTE: Works with TFL tfl-542b42 lower unit (not included).