All injectors are tested, ultrasonically cleaned, cleaned again by hand, rebuilt (New o-rings, filters and pintle caps) and tested again, then ready to ship.

All prices include shipping to US addresses.

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784's are $90 a set of 6 shipped.

Fit 99-04 4.0's.



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746's are $75 a set of 6 shipped.

Fit 87-90 Renix era 4.0's.





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703's are $125 a set of 6 shipped.

Fit 91-98 4.0's.



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If you are thinking about doing this upgrade, get off the fence and get these injectors from this member. You will not be disappointed. I bought from him a few months back and just got around to installing these yesterday and I can already tell there is a positive difference. The seller is a pleasure to do business with.

Thank you, I appreciate that!

Glad you are happy with the swap.

No problem. I might cancel out any mpg gains just cuz I wanna jam on the gas more now lol.

Are any of these appropriate for my '89 Renix 4.0?

Yes sir, the 703's will work.

Please explain to me how this is an upgrade. Thanks.

One of the easiest modifications on our beloved 4.0’s is a fuel injector swap. For some, this may sound like a technical and daunting task, but rest assured, it’s actually quite simple. The reason for this swap is simple. Jeep used 1-hole pintles on their injectors while Chrysler used 4-hole pintles on the rest of their products. The 4-hole pintle allows for a more even fuel spray pattern, resulting in better atomization, making the engine work less and run a little smoother. The results you gain from this are a smoother idle and better throttle response. Some have seen a very mild gas-mileage gain, but this is due to running clean injectors as compared to the stock ones that are dirty.

Take from here because it is a great explanation.

https://thexjguys.wordpress.com/2012...injector-swap/

Interested. I'll double check mine to confirm they are the original stock injectors. If so I'll likely order a set. Thanks.

Couple of sets of 784's and one set of 700/710.

$70 - 784 shipped,

$60 - 700/710 shipped.

703's arrived today via USPS. I'll try to install them tomorrow.

Well packaged, good looking injectors and a very straight forward transaction with no hiccups.

Top marks to the seller.

Thanks Jimbo!

703's make a renix run rich. Renix want 746.

Don't think twice about getting a set from Jeff. I got a set a month ago and it gave me a huge MPG improvement.

Got mine today, they look great! Well packaged and shipped fast! Cant wait to put them in, thanks jhc