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4-TEK
The following products are designed for use with your Sea-Doo Jet Boat or boat equipped with a Sea-Doo 4-TEK engine
If you still have questions, feel free to contact me at jeff@cobrajetsteering.com
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Cobra Jet Steering for ROTAX/Sea-Doo 4-TEC Engines
MSRP: $339.99
Buy Direct Discount Price only $219.99
Cobra Jet Steering for 4-TEC engines being used in Scarab, Glastron, Chaparral & late model Sea-Doo boats
Learn More
Testimonials
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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.
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After some steering and tracking issues I ordered Cobra Venom 16x steering upgrades for our 2011 AR 240. I ordered the parts on Wednesday and they were delivered to our marina by Friday. I explained t...
via email to CJS
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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
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I spent 7 hours on the lake today fishing. The Viper is the single best piece of equipment I've purchased for this boat. I highly recommend it. Spent a lot of the time at idle fishing and can say ...
from JetBoaters.net forums
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My personal views/review of the Cobra Venom Magnum AK with MEGA Fangs:
When I got my boat this spring, it was my first jet boat. But, I have been boating as long as memory serves a...Jameson Clark
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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
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Been meaning to chime in and tell you guys how awesome the Viper unit is. I now have 2 seasons with the 16 192 and wifey has only driven once for literally minutes. She just keep saying I can't keep t...
via post on a jet boat forum
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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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We are senior citizens and decided to purchase a jet ski to help entertain our grandchildren. We purchased one with the Cobra Steering from Jeff. It is unbelievable! Now my wife wants her own. The ste...
Paul and Pam
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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
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This was the best thing I have ever done to my jet ski! I get out of the water faster, have more control and boy is it fun. I highly recommend this product. Ride Hard!
Ride Hard
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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
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Customer review of ultimate ak and mega fang plus on a 21 foot Yamaha as opposed to thrust vectors. First off, install was easy. I had no trouble following instructions and the pictures provided. ...
email to CJS
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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
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I had another manufacturers"fins" on my boat and never really noticed much improvement in steering. I just replaced them with the Cobra Venom 16x's and I now notice a big improvement at all speeds eve...
JDW
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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
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I am the individual who allowed my 2004 sea doo to be photographed and displayed on this web site. I consider myself to be a serious jet skier and have been for nine years. After purchasing my newest ...
Ed
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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
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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
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I don't know how you figured out how to do this .But what a difference it made on my gsx.I enjoyed this ski accept for the loss of control at high speed . If I turned fast it would loose its bite and ...
Bill
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