Rhino-Rack Kayak Carrier Fitting Kit for Vortex/Heavy Duty Bar (Suits S510/S512/S512X) KC-FK8
RHR Vortex Fitting Kit
If you have a Rhino Heavy Duty Crossbar system and want to mount a number of Rhino's kayak and canoe carriers including the S510, S512 or the Kayak Extension Piece S512X you will need the KC-FK8 fitting kit.
Kayak Carrier Fitting Kit; Suite Rhino Heavy Duty Crossbar;