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Cobra Jet Steering has been building products to enhance your Yamaha Jet Boat for over 10 years. We offer multiple steering systems to meet the needs and demands of every type of Jet Boat owner. We also offer EZ-Locks so you will never have to worry about losing that clean-out plug again! Click on any of the products or combos for additional information.

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  1. CJS VIPER Steering - right view

    CJS VIPER Steering System

    MSRP: $245.99

    Buy Direct Discount Price only $189.00

    MSRP: Single-Engine: $245.99

    SAVE $$ BY ORDERING DIRECT FROM THE MANUFACTURER!
    Buy Direct Discount Price only 
       -- Single-Engine: $189.00

    This specially designed system is available in three packages to match your application. Please read the description tab near the bottom of the page to discover the benefits of CJS Vipers and also find the package your boat needs.

    Learn More
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  1. Cobra Venom ULTIMATE Series (3)
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Testimonials
  • Jeff, Took the Vortex Vrx 223 out yesterday with the cobra fins on.. it makes a big difference. we hit 50MPH in rough water on lake tahoe yesterday.. You should sell your patent to the boat ...

    James via email to CJS

  • Fins are working great! Wow, what a difference. Install went smoothly. I would recommend the fins to any jet boat owner! Thanks Jeff!

    Derek Dial

  • I recently purchased the Cobra Jet Steering for my polaris after Jeff informed me of the capabilities that this would give any rider on my ski. I personally was tired of the fact that the Polaris woul...

    Dan Solie

  • Absolutly fantastic!!! It was like having power steering. It does everything it is advertised to do and more. At full speed before it was installed, it took some force to turn it. Now I can turn using...

    Rick Hopper

  • Oh my god! Jeff I wanted to send a note to thank you for several reasons. First your communication has been flawless, I ordered the fins last weekend. You responded immediately! Second, you sourced ch...

    Bill Haley

  • Just when I thought that great product, great service at an affordable prices was a thing of the past, then I found Jeff. The Utopia 205 is one of the heaviest seadoo jetboat and it needs quite a bit ...

    Frederic Phaneuf

  • Testimonial from a 2013 - 19' Yamaha jet boat owner who had the Viper NK with the Mega Fangs and upgraded to the Mega Fangs Plus...

    Just got back from a great day on the gulf and hav...

    via Email to CJS

  • I too had a miserable time docking or re-trailering my 21 foot twin jet boat without the cobra system. Jeff shipped me a set quickly and now its like night and day at slow or fast speeds. I would reco...

    Dave Richardson

  • Testimonial for the Mercury Optimax system:

    Thanks much. Your invention saved my relationship! (with my new/used jet boat). During 15 years of owning two I/O's, I was careful (and ...

    email to CJS

  • OMG the difference! My husband and I recently bought a jet boat. We had several crashes at the marina where we docked the boat. I found the cobra steering fins. I mailed my nozzle to Jeff for my insta...

    Tracy Ftaiti

  • Jeff, sorry I didn't get back to you sooner with feedback I have been too busy enjoying the new boat. The Cobra jet steering fins have made all the difference in the world to the 2012 Yamaha AR190 in ...

    Kevin Vaughn

  • I purchased the SeaDoo Jetboat primarily because the waters here in Bradenton are so shallow. Jeff put on the steering mod and the handling is so much better. It has maneuverability at idle whereas be...

    David Cooper

  • Just got back from towsurfing one of the outer reefs - wasn't real big but double to triple overhead (15 to 20' faces) and the ski worked GREAT! Comin' in hot to pick up my partner after he wiped out ...

    Peter

  • I have a pretty quick, modified XPL Seadoo. The design of the hull makes it unpredictable in chop. I have extended aftermarket sponsons and I tried your standard steering system along with the sponson...

    Ed B.

  • Testimonial for the Mercury V6 Optimax System: Installed on my 2002 seadoo islandia. I was very skeptical at first...that is until I was in the water. All I can say is what a great product!!! How d...

    via email to CJS

  • So after a couple of months of going back and forth on whether to buy Lateral thrust reversers or try a new system all together we went with the Cobra Jet Viper NK's with Mega Fangs (can't really go w...

    Johnny H. in Parish, FL

  • It's hard to believe that such a small incremental expense can drastically change the overall performance of the entire experience. I am not a professional rider, in fact this is my first ski. I had i...

    Brad Buchmann

  • As new jet skiers, we were thinking that the ski would be very unstable and sort of like "riding a rocket." When we first launched our jetski with the steering installed, we were amazed at h...

    Charlie and Sue

  • I love jet drives over props for many reasons even without cobra jet steering BUT I Installed at beginning of 2009 season. What a difference! Less problems with cross winds when docking. All together ...

    Gary

  • Working as intended. Maneuvering around the docks is a blast now. I no longer look like a boob bouncing off stuff. Thanks.

    David Wisley

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