Mercruiser Sterndrive Propellers
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The Signature Stainless Steel 4 Blade was designed for the all around boater. Average boaters can
expect to see a big improvement in planing off time, fuel economy gains in the cruising and midrange,
tremendous reduction in vibration and harmonics through the RPM range. In addition, virtually no cavitation in
turns or positive trim positions can be expected, as well as improved handling and control in rough water
conditions, and additional bow lift over 3-blade propellers.
The Signature propeller has been specially designed to make any transition from standard three-blade
propellers to our Signature four blade propellers easy as possible. When switching from your standard
Mercruiser Bravo propeller, we recommend a pitch for pitch transition.
All signature propellers use either the Mercury Flo Torq II or Michigan XHS removable hub kit.
*All hub kits are sold separately.


Signature Stainless Steel 5
Signature Propellers has been manufacturing four blade propellers for nearly twenty years, only now they
are becoming a common item seen in the marine industry. Just when you thought it couldn't get any better
then a four blade, we make the Signature 5. The Signature 5 does every thing the four blade only smother,
quicker and faster. If you look at the picture of the five blade you see there is a large amount of blade area
all the way around the propeller. This area is what makes the propeller so smooth and quick.
The Signature Five has been specially designed to make any transition from standard three-blade
propellers to our Signature five blade propellers easy as possible. When switching from your standard
three blade Mercruiser Alpha propeller, we recommend dropping two pitch sizes.
* If your propeller does not currently have a removable hub kit these are the appropriate kits to order.
The BS-1 is generally used for boats with big block applications. Today, with the boats becoming bigger,
propellers need to become bigger as well. The only link between the water and your boat is the propeller.
The BS-1 is designed with a 15 1/8” diameter to optimize every ounce of horsepower your boat has to
offer. Designed with an extra added cup for throttle response and acceleration, the BS-1 is sure to
runaway from the competition. Also available with Race Tune, Square Hub-Kit sold separately.
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Signature Five Blade 14 3/4 Diameter
Works great on the following applications
- Multiple engine boats
- Heavy boats
- Gas or diesel sterndrives
Large diameter Signature propellers usually take 1-2 weeks to ship.
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