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SeaStar Pro is for high-performance boats with single non-power-assisted outboards up to 300 hp, especially those capable of speeds over 60 mph, which demand maximum steering control and comfort...

Hydraulic Steering Kit with 22' SeaStar PRO (1500 psi) Kevlar reinforced, Factory swaged Hoses. Packaged Complete with helm, cylinder, hoses, fittings, oil, bleeder kit and detailed instructions...

Hydraulic Steering Kit with 24' SeaStar PRO (1500 psi) Kevlar reinforced, Factory swaged Hoses. Packaged Complete with helm, cylinder, hoses, fittings, oil, bleeder kit and detailed instructions...

Prop Nuts are thread-on accessories made for some electric and two-stroke glow motors. Preloading, or tightening the half nut to about half of what you can apply with a regular wrench without going...

Propeller wobbles on open water are not something you want. Prop Nut 18-3783 by Sierra Marine Engine. Sierra prop nut for Mercruiser Stern Drives. Prop nuts are used to keep the propeller firmly...

The propeller is placed against the shaft taper by the propeller bolts. Propeller nuts don't experience significant strain during routine operations because the propeller continuously presses against...

Prop Nut (Pack Of 5) 18-3707-9 (118-3707-9) Sierra Marine Engine Parts Sea Star Solutions It refers to the use of two different-sized nuts to secure a propeller to a propeller shaft. It is a common...

The prop nut, which holds the prop to the shaft, transfers the reverse thrust. Thus, many spacers are splined; and some are additionally cogged or pinned for different Mercury, Mariner, and...

For more than a decade, the company has worked hard to build partnerships with manufacturers to provide our customers with high-quality things at reasonable costs. They do not offer remanufactured,...

The prop nuts keep the propeller tightly seated against the shaft taper. Because the propeller continuously pushes into the shaft due to the engine's power, prop nuts don't take much stress in a...

Prop Nut - Sierra Marine Engine Parts - 18-3773 Sea Star Solution The prop nuts' job is to maintain the propeller's close fit against the shaft taper. Prop nuts don't absorb much strain during an...

Why would you want a loose nut? You do not wish for your propeller to wobble on open water. Sierra Marine Engine Parts - Prop Nut (18-3792). Prop nuts are used to ensure that the propeller is placed...