There is a possibility of working on a locking fuel cap option for all the different Zenith models.  What would be the interest in locking fuel cap in the price range of $160 for a pair, or $200 for a pair of engraved and color filled caps.


These would be very high quality caps built by a company that specializes in high end fuel systems.

Please feel free to comment on this thread, or email me at



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Interested in the $200 for a pair of engraved and color filled caps.

Assuming they are properly vented... I'm interested.


Could someone who has the info handy please email me the dimensions of the current setup on the 750 and zodiac. I'll post here when I've received it. I also need some pictures of the current fuel cap install please. I want to see how we can adapt an existing product in a proper fashion to these aircraft.


P.S. please email the info to

I just switched to Cessna caps.  I have a spare, unpainted, Zenith cap. 

email me a street address to "danal dot estes at gmail dot com", and I will send you one of the Zenith caps. 


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