[ Applicable Model ] --- Trim tab anode fits for Mariner Force 2550 HP 2 stroke and 4 stroke outboard lower units from 19972006.. [Sacrificial Anodes ] --- As a first line of defence an anode is meant to corrode instead of your engine. Anodes can be easily replaced and can protect your engine against costly damage.. [Outboards and Stern Drive ] --- Helps protect the gear case housing from erosion, as it provides hydrodynamic trim force to your outboard and stern drive to aid steering.. [Quality Material ] --- Outboard trim tab is made of zinc alloy, anti oxidation, anti rust, rnot easy to deform, not easy to damage, suitable for use in saltwater and freshwater environments..
