FOUR by 4 Propellers For Mercruiser Bravo 3 (Set)
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- The Signature FOUR by 4 is the ultimate combination of eight blades. Designed to work on the *Bravo 3 and *Yanmar ZT350-370 drives. These twin four blade propellers are so efficient they blow the competition out of the water.
- The Signature Four By 4 Propellers were designed to be a direct replacement for the OEM three blade propellers. It may be necessary to drop pitch sizes when going to the four blade combination due to the efficiency of the extra blades. Generally, a decrease of 200 RPM’s is achieved when like pitches are installed. All mounting hardware remains the same with no additional hardware required.
WARNING: This product contains Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.go
Just got them on. One short ride during the hurricane. Waiting to get out again this week. Hopefully this was the answer.
Comment: I appreciate the wrench however what wasn’t discussed is the need to apply a torque wrench so the wrench becomes redundant to having the correct sockets anyway. Zach was great.
I have a 220 Sea Ray sundeck with a 3x3 22 pitch props, 5.0MPI and Bravo 3 outdrive. It was having trouble getting on plane quickly. Per Zach's recommendations, I upgraded to a 4x4 18p prop and the boat is like a different animal. It gets on plane quickly and has plenty of power in the mid band now.
Much quicker out of the hole and minimal sacrifice to top end!
Highly recommend the 4x4 set up!
The props with a 20” pitch helped performance out of the hole but reduced top speed significantly. Installation was easy with the right tools. Top speed with the original 24” pitch prop was roughly 55mph at 5000rpm now it is 42mph at 5200rpm. Since I do a lot of wakeboarding or skiing it is an improvement for lakes around 5000 ft. Don’t know if there is any improvement in fuel usage.
Great product and fast shipping. Thank you