Red Spot Anode kits, to fit Volvo Penta 290 Duo Prop Outdrives.
These anodes feauture the red spot wear indicator, signalling when time to relplace, the indicator is imbedded in the anode, and when exposed, it signals the anode has eroded away and needs replacing.
These anodes are Aluminium/ Indium Alloy, so suitable fro both Fresh & Saltwater,
The benefits of switching to alloy are huge including
Lasts upto 50% longer than zinc & magnesium
Aluminum self cleans, stopping the white furry coating you can experience on zinc anodes.

Mounting hardware included