The Mercruiser Bravo II Prop with 19 Splines and a diameter of 17-3/4x21 is a high-quality stainless steel propeller designed for optimal performance and durability. Manufactured by Solas, this prop ensures efficient power transmission and smooth operation for your boat. With the manufacturer part number 1642-178-21, you can trust that this prop is a reliable and efficient choice for your watercraft. Its been in the water but never used
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