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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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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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Installed the Ultimate Cobra Jet Steering on my Yamaha AR192. It made a world of difference and is much easier to steer straight. Watch the YouTube video for an easy install
Tony Emanuele
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With some great advice and fast support from Jeff, I installed the fins in about 30 minutes. The Cobra Jet Steering is fantastic. The ski turns on a dime and nice hole shots. While idling in the Marin...
Ronn
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I purchased your combo for the above boat. Easy Install, thanks, it's great. I talked to Yamaha Tec. Support, and the person I talked with said she has been constantly hearing about your product but d...
Michael Frug
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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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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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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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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
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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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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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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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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
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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 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 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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Hi Jeff - I installed the Cobra Jet Venom Ultimate fins last week. The difference in handling is night and day. Prior to the installation, my 2014 Yamaha SX 190 was very hard to steer at low speed bec...
Pete Brown
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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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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
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I tried your steering kit on my quick-handling XP. I am amazed that something that looks small and inconsequential can make such a difference. This ski can be punishing in chop and at high speed becau...
Bill Baker
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