4.9524 5 21
Cobra Edge Hydrofoil Stabilizer Plate, Silver Stainless Steel
Item No. 314607
Cobra Edge Hydrofoil Stabilizer Plate, Silver Stainless Steel is rated 5.0 out of 5 by 21.
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Cobra Edge Hydrofoil Stabilizer Plate, Silver Stainless Steel
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Cobra Edge Hydrofoil Stabilizer Plate, Silver Stainless Steel

Cobra Edge Hydrofoil Stabilizer Plate, Silver Stainless Steel is rated 5.0 out of 5 by 21.
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Item No. 314607
$113.99 $119.99
Save $6.00 ( 5% Off )
Compare at $129.99
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Additional Information
Save on fuel cost! Reduce chine walk! Provide superior lateral stability! The exclusive solid one-piece, full plate design of Cobra stabilizing plates mounts from underneath the cavitation plate, eliminating stress or breakage to the lower unit casting. By lowering your motor's planing RPMs, you'll enjoy increased fuel efficiency and reduced wear on engine parts. Adding this lateral stability also eliminates drag so there is no top-end speed loss. Stainless mounting hardware included.

The Edge Plate is designed to fit 70 hp and up models of the following engines:
Johnson
Evinrude
OMC Cobra I/O
OMC King Cobra
Mercury
Mariner
Mercruiser
Yamaha
Yamaha I/O
Honda
Nissan
Tohatsu
Suzuki
Volvo SX
Force '94 thru present
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  • Solid, one-piece, full plate design
  • Eliminates stress to lower unit casting
  • Lowers your motor's planing RPMs
  • Stainless steel mounting hardware included
  • For 70 hp and up
Unit Weight 5.60 lb
Brand Cobra Marine
Rated 5 out of 5 by from Best money can buy! After wrecking my outdrive using a plastic Stingray I bought this Stainless Steel under mount stabilizer and have been very pleased! The boat gets on plane in no time and my porpoising problem was solved. Also, no more drive housing damage.
Date published: 2020-09-04
Rated 5 out of 5 by from cobra marine edge pro stainless Item # 34302 Who want's a hydrofoil that either doesn't work or damages the motor that it is installed on not to mention cost and availability? Nobody Right! Well I am here to tell you that this one does work incredibly well and will not damage the equipment.Plus if you use your boat as frequently as I do and really put it to work 30 days in gas savings will pay for the product and provide considerable comfort in your ride.
Date published: 2017-10-04
Rated 5 out of 5 by from Just installed I installed yesterday. I did not remove the prop on my sea ray sundeck 2000, and had no problems drilling the holes. The only tricky part was installing the spacers. Would recommend using some kind of adhesive to hold to the stabilizer before bolting on. Plan to
Date published: 2016-10-09
Rated 5 out of 5 by from Extremely pleased with product. Extremely pleased with the stabilizer plate.. Had to replace old one and this one has worked out much better.
Date published: 2015-05-26
Rated 5 out of 5 by from Heavy Duty Product easy to install Just purchased this product and very heavy duty. I had it installed in less than 20 mins by myself. Use clamps to hold it in place while you drill holes and remove the prop to make it easier to drill. Drill a hole and put a bolt in, then drill another hole and put a bolt in etc etc. I have not yet tried it out hope to soon. Looks great on the boat. I installed this on my Mercruiser 3.0 engine.
Date published: 2014-06-24
Rated 5 out of 5 by from Works great I put this item on a lower hp outboard (115hp) on a 19' boat (total weight 2400#). With the product hole shot greatly improved and the ride is much better (during sloppy seas), I put this product on, on every boat I ever owned.
Date published: 2014-05-14
Rated 5 out of 5 by from Cobra The Edge Pro SS I ordered The Edge Pro Planing and Stabilizer Plate by Cobra Marine for my Ranger 620 and Yamaha F250. I was hoping to eliminate the porpoising and get up on plane faster. I chose the stainless steel model because of the looks and durability. The installation was easy but the performance was amazing. I wish I would have made this purchase earlier. It totally eliminated the porpoising and the boat planes out almost immediately. I would highly recommend this product. In fact I ordered the smaller version, The Explorer, for my second boat.
Date published: 2014-05-13
Rated 5 out of 5 by from Could not be happier with my purchase I had searched extensively for a quality planning plate to compliment my 19' CC bay boat with a 150 Yamaha. The other plates were hard on the eyes when compared to the simplicity of the stainless version. It is very attractive and gives the impression of high performance. My rig when loaded with half a tank (20 gal) planned out fine, but the bow rise was horrid even with the engine tucked all the way under. Once on plane, was very trim sensitive and would begin to porpoise. First time out with the stabilizer on, the hull rolled over onto plane in half the time or less with minimal bow rise. This instantly brought delight to my family and I as it was very evident that our investment had immediately paid dividends. Its hard to read some of these reviews and believe everything that's written but that is exactly what happened. When my wife looks back and gives a thumbs up, then it must be good. Top speed is not a concern and nor was it compared, but we did notice the more stable feel while on plane and at higher throttle settings. A term that comes to mind would be sure-footed as it feels more stable. The hop is still there, but only comes into play when the driver over trims. In our case, I honestly do not think the plate could totally eliminate the hop but it has helped substantially. Installation took a bit longer than anticipated but nothing of concern. In my case, I removed the prop (very simple) to allow more work space. Suggestions are to line it up and clamp with a few small pieces of wood. Ensure the plate is centered and mark the holes. Drill carefully through the cavitation plate, install the screws and then stand back and admire on your work. Done. Another thing I truly appreciate is the style as mentioned above. When on the trailer and at the beach with the engine trimmed out of the water, it looks like a quality piece as well as giving off the feel of being high performance. The old adage is you get what you pay for and spending a bit more was worth every penny.
Date published: 2013-11-15
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Will this work on a Yamaha 250 vmax 

Asked by: Joe
Yes, this hydrofoil stabilizer will work on your motor.
Answered by: Product Specialist
Date published: 2020-07-02

Will this fit 1972 mercruiser 888 out drive? thanx.

Asked by: Steve
Yes. The Edge Pro will fit your application.
Answered by: Steve
Date published: 2017-02-20

Will this work with 2003 Volvo penta sx-m outdrive?

Asked by: KC
Hello KC, Yes. The Edge Pro Stabilizer Plate will fit your application. Thank you, Steve
Answered by: Anonymous
Date published: 2015-09-23

Will this product work on a Volvo penta 300 HP duoprop system?

Asked by: cliff
Hello Cliff, If you have a Volvo SX Drive, then yes The Edge Pro will work. But if you have a thru the cavitation exhaust model, The Voyager Pro (Item # 37029) is the correct stabilizer plate for your application. Thank you, Steve
Answered by: Anonymous
Date published: 2015-09-23

Will this product work on my Mercruiser Bravo three outdrive? This is the outdrive with two counter rotating props.

Asked by: Denmar
Hello Denmar, Yes. The manufacturer states that The Edge Pro will fit All Mercruiser outdrives. Thank you, Steve
Answered by: Anonymous
Date published: 2015-09-23

I have 22 ft pontoon with 95 horse Yamaha outboard. Having problem with cavatation at rpm's over 4500. Will this product help eliminate this?

Asked by: manriwe
Yes it will.
Answered by: Justin
Date published: 2015-09-23

will this product stop bow hop or porposing

Asked by: Anonymous
The Cobra Edge Pro Planing and Stabilizer Plate is a great product to stop you bow from porpoising and will also give your boat a faster plane than you had before. If you have any further questions or concerns please contact us here at Overton's at 1-888-OVERTON and any of our Technical Product Specialist will be glad to assist you.
Answered by: Brooks, Marine Buyer
Date published: 2015-09-23
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