[TX] Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI SOLD

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Old 08-29-2023, 01:45 PM
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Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI SOLD

Up for sale is a used Holley Sniper Self Tuning & Programmable EFI set up Part # 12440B.
Asking $600 obo (cost $1500 new).

Its in good condition & works great; was running great when pulled a few months ago. It could use a cleaning.
Pictures are of the actual pieces for sale. Comes as pictured.

Will be shipped via USPS Priority Mail or FedEx; whichever is cheaper on my end.
Also: Pick up in Godley Texas 76044.
Email me and we can set up a time to purchase it.

Please make sure this will work for your application before purchasing. It will need appropriate fuel pump/relay for your custom set up. Both Holley, and here on TGO have lots of good info on installing and using these EFI set ups.

All the best, Kyle.











Last edited by Alice89; 11-15-2023 at 01:59 PM.
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KOdc (10-20-2023)
Old 08-29-2023, 01:47 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

More pics:










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Old 09-09-2023, 10:15 AM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Open to offers, let me know if your interested.

Thanks, Kyle.
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Old 09-16-2023, 05:28 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Wish you would have posted this a few months ago. GLWS!!
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Old 09-17-2023, 04:15 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Originally Posted by Edsiroc
Wish you would have posted this a few months ago.
Yea that's too bad, It's been a slow month.

Originally Posted by Edsiroc
GLWS!!
I Appreciate it man!

-Kyle
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Old 09-23-2023, 03:31 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

updated

Last edited by Alice89; 10-13-2023 at 03:31 PM.
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Old 10-13-2023, 03:34 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Price drop $650 obo. Don't be afraid to send me an offer, I want to get this set up sold.

All the best, Kyle.
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Old 10-20-2023, 07:42 AM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

I am interested but I would like to know when this was originally purchased.?
Have you ever sent it back to Holley for any repairs?
Thanks!
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Old 10-20-2023, 10:00 AM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Originally Posted by Rebuildman
I am interested but I would like to know when this was originally purchased.?
Have you ever sent it back to Holley for any repairs?
Thanks!
Hey there,

It was purchased in late 2019/early 2020 (not sure on exact date, it was before lock-downs). It is original as it came from Summit; never been sent in.

All the best, Kyle
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Old 10-20-2023, 02:02 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Originally Posted by Alice89
Hey there,

It was purchased in late 2019/early 2020 (not sure on exact date, it was before lock-downs). It is original as it came from Summit; never been sent in.

All the best, Kyle
Thanks!
The reason I ask is the earlier units are prone to failure, I have had mine fail twice.
Mine was purchased about 10 years ago.
So if it fails you send it in and Holley fixes it for free with the latest upgrades.
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Old 10-20-2023, 02:32 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Originally Posted by Rebuildman
Thanks!
The reason I ask is the earlier units are prone to failure, I have had mine fail twice.
Mine was purchased about 10 years ago.
So if it fails you send it in and Holley fixes it for free with the latest upgrades.
I did not know about the earlier units, thanks for the info. If your interested you can PM me an offer.

Thanks, Kyle.
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Old 11-04-2023, 02:53 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Updated price.
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Old 11-13-2023, 01:41 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI 12440B

Just to clarify, I’ve had several people ask me about the part reference #.

Apparently Holley does not stamp it on these units (I looked on used ebay set ups; they all are like mine… a variation of a white label on the side saying “90024 0579" and have "12440B" stamped next to that white label.

Anyway, the reference # for this Holley is: 550-511 Black.

Here is a link to the Sniper set up I purchased in 2020:

Holley Sniper EFI 550-511 Holley Sniper EFI Self-Tuning Kit - Black

Here is the installation manual:

https://documents.holley.com/199r11031r.pdf

Hope this helps with research.

-Kyle
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Old 11-15-2023, 01:59 PM
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Re: Holley Sniper 4150 EFI 800 CFM Self Tuning & Programmable EFI SOLD

SOLD
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