Performance Metals Aluminium Disc Rudder Anode

Performance Metals Navalloy® aluminium trim tab or rudder anode with 2 halves and stainless steel hardware. Nuts are pressed into the casting. Replaces R4. Anode includes the exclusive, patented "red spot" wear indicator.

Aluminium/Indium alloy is more active so it gives better protection. Essential for Mercury sterndrives - Zinc will not provide the correct protection. Recommended for both salt and freshwater on Mercury sterndrives.

• Navalloy anodes will last up to 30% longer than zinc and up to 4 times longer than magnesium!
• Can be used on any type of hull material - aluminum, steel, fibreglass or wood
• Suitable in all water types - salt, brackish and fresh
• Can be left permanently immersed or used on boats that are regularly lifted in and out of the water
• Patented Red Spot Wear Indicator - when the red spot appears, it’s time to change
• Navalloy anodes are 20 times more eco-friendly than zinc anodes
• Last up to 50% longer than zinc anode.
• Aluminum anodes 'self clean' in freshwater - Zinc anodes form a coating that stops them working within a few months.
• Environmentally friendly
• Mounting hardware included
• Attractively packaged with clear information to aid with selection and installation.
• Pair Of Anodes