Please note: Boats without jack plates will require the motor to side mount adapter for use with this mounting bracket. We recommend that side mount adapter plates be used on any of the following jack plates: Slidemaster Atlas TH Marine Z-Lock Hydro Dynamics Bobs Machine Shop For all other brand jack plates, please consult the manufacturer before ordering and installing our side-mounted adapter plates. All mounting hardware included. PKB-S-5-4-P Port side PKB-S-5-4-S Starboard Side PKBD-S-5-4-S Port and Starboard