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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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After doing some research on my boat before I purchased it, I came across the Cobra Steering System. All I can say is WOW!!!. This product does give you a better feel and very quick response from the ...
Josh Holbrook
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Just thought I would let you know that we love the cobra jets. My mom will actually drive the boat now!! Thank you!
via email to CJS
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I THOUGHT I MADE A $25,000 MISTAKE! I bought my first boat ever – 19’ Yamaha SX190 Jet boat and launched it only to discover that it was very difficult to steer and nearly impossible for m...
Jeff Pierce
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Finally got to test out the CJS Viper steering system I purchased. I can’t believe the difference it makes in the handling of my Yamaha 190 FSH especially at idle speeds, maneuvering is now a breeze...
John & Pam
johnpammo@hughes.net
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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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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
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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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After lots of research and reading on this website I decided to put Cobra Venom steering fins on my 2012 242LS. I wouldn't say I'm an "experienced" boater. I did own an entry level Regal bow...
via email to CJS
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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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I can't say how much I enjoy your product ,excellent all around slow, fast, docking or pulling, just great engineering and fabricating thank you so much!
Timothy O'Brien
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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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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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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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I put the CobraJet Steering kit that you sent me on the Mercury Sportsjet that is on my 22 ft. Motion Marine Mojet LX and it works great. Thank you for the excellant service.
Rob
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From a former Moto-X 250 rider...Here is my testimonial.. I hate it! Yes that's right I hate it but love to hate it. Before I found your device, I was slipping sliding and working extra hard to keep m...
Rich Walkup
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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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Jeff, I installed the cobra jet system last week and just took my boat out yesterday, it was great! Thank you for making a quality product and it has made maneuvering my boat much easier. Sinc...
Tony
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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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Jeff, that's all I have to say is thank you! After installing the Cobra Venom 16X on my new boat, I am finally able to dock just like my previous stern drive. You made me a believer in your product th...
Randall Byerley
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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
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