Description

Reduces noise up to 55% when flushing outboards. Insert into aft side of prop. Creates a back pressure enabling accurate adjustment to engine idle, etc. Alloy body, with a special rubber 'O' ring seal. Suits standard props. Suits 130-200HP Johnson/Evinrude, 135-175HP Mercury/Mariner, and 150-200HP Suzuki.
SKU 8221432

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