Blackfin™ Replacement Skeg
- Durable, high-impact nylon composite construction
- Tapered wings on each side for structural reinforcement and lift
- Sacrificial node on the bottom limits engine's skeg from plowing into underwater objects
To determine the Blackfin model for your engine, measure from the front of the prop to the tip of the gear housing. Simply match this measurement to one of the Blackfin sizes listed below.
Note: The MerCruiser Alpha One when measured falls into the medium category, however it will require a small Blackfin.
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To determine the Blackfin model you need, measure from the front of the prop to the tip of the gear housing. Take your horiziontal measurement and match it to the one of the three Blackfin sizes.The Mercruiser Alpha One when measured falls into the medium category; however it will require a Small Blackfin.
10.5" to 12.5"
13.5" or 14.5"
They do not list one to fit a size 17". Thanks