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Description
Fits 1998-2002 Chevrolet Camaro Holley Pump Module System - Twin 340 Lph 12-364Fits 1998 2002 Camaro Firebird Twin 340 LPH Pump Module If you are looking to make some serious power with your 1998 2002 4th Gen F body, the Holley modules feature billet pump flanges that connect to either single or dual 340 or 450 LPH pumps. All four of these options are compatible with gasoline and E85 and come pre installed with new level and tank pressure sensors as well as provisions to connect to the factory EVAP system for EPA compliance.
Fits 1998-2002 Camaro / Firebird - Twin 340 LPH Pump Module
If you are looking to make some serious power with your 1998-2002 4th Gen F-body, the Holley modules feature billet pump flanges that connect to either single or dual 340 or 450 LPH pumps. All four of these options are compatible with gasoline and E85 and come pre-installed with new level and tank pressure sensors as well as provisions to connect to the factory EVAP system for EPA compliance.
NOTES: Drive the vehicle until the level in the tank is at or below 1/8 of a tank. To make tank removal and reinstall as easy as possible, the lower the fuel level the better.
Features:
- Anodized and laser-etched billet 6061-T6 flange with 6AN ORB ports for feed, return, and vent
- All SKUs compatible with Gasoline AND E85
- Comes pre-installed with new pre-calibrated fuel level (33 ? 240 ?) and tank pressure sensors
- Includes new gasket to complete installation
- A 3 x 11-inch HydraMat is included for each pump
- Fits factory plastic tank used in LS1 98-02 Camaro / Firebird or an earlier 4th Gen F-body with fuel tank upgrade
- Fittings included allowing connection to the factory 3/8 quick connect feed and return lines
- Flanges have been designed to be compatible with feed and return line sizes up to -8AN
- Step-down butt connectors included to wire level sensor
- Can be connected to factory EVAP system (w/ use of 12-874 and 935056ERL - sold separately)
- Kit includes vehicle pigtail harness - All connectors used are DTM style
Specs:
| Average Current Draw | 29Ampere |
|---|---|
| Average Flow Rating | 680Liters per Hour |
| Brand | Holley |
| Connector Color | Gray |
| Connector Gender | Female |
| Connector Quantity | 2 |
| Emission Code | 5 |
| Finish | Anodized Black |
| Free Flow GPH | 216 |
| Free Flow LPH | 820 |
| Fuel Filter Included | Yes |
| Fuel Sending Unit Included | Yes |
| Fuel System | EFI |
| Fuel Tank Pressure Sensor Included | Yes |
| Fuel Type | Gasoline/E85 Compatible |
| Gasket Or Seal Included | Yes |
| Gasket Or Seal Material | Rubber |
| Grade Type | Performance |
| Height | Standard |
| Housing Material | Aluminum |
| In Tank or External | In Tank |
| Inlet Quantity | One |
| Inlet Size | 6 AN ORB |
| Inlet Type | 6 AN ORB |
| Internal Or External Strainer | External |
| Lock Ring Included | No |
| Material | Billet Alluminum 6061-T6 |
| Maximum Pressure | 60Pounds per Square Inch |
| Mounting Hardware Included | Yes |
| Negative Ground | Yes |
| Outlet Quantity | One |
| Outlet Size | 6 AN ORB |
| Outlet Type | 6 AN ORB |
| Product Type | Fuel Pump Module |
| Pump Type | Electric |
| Regulator Included | No |
| Resistance Ohms Empty | 33Ohm |
| Resistance Ohms Full | 240Ohm |
| Single Or Dual Pump | Dual |
| Universal Or Specific Fit | Specific |
| Voltage | 12Volts DC |
| Warranty | Limited 90 Day |
| Wire Quantity | 4 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2002 | Chevrolet | Camaro | Base |
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS |
| 1998-2002 | Pontiac | Firebird | Base |
| 1998-2002 | Pontiac | Firebird | Formula |
| 1998-2002 | Pontiac | Firebird | Trans Am |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1850 reviews
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Product Reviews
★★★★★ 4
Love them as a cheap, effective warmer.
Color: Lavender
These really work well and are inexpensive ($20). I bought one for myself and my wife.
Up front they tell you what kind of mugs/cups not to use, so read the information areas. We tried insulated mugs and the heat doesn't get passed the insulation barrier and the outsides get pretty hot to touch.
We now use ceramic mugs and they work very well on these warmers.
There are a number of temperature settings and we found the higher settings to be too hot. You will have to experiment with your own mugs to see what works.
The sensor works well letting the warmer know if a mug is in place and it will shut down after 5 minutes without a mug. Unless your cat comes along early it won't get its feet scorched accidentally.
The automatic timer works as advertised as well.
Four stars because I found that trying to figure out how to actually turn the warmer off was a bit difficult and not so intuitive.
Would definitely recommend these warmers. Hope this review helped.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
★★★★★ 5
A very good present for someone special
Color: Black
I got this from a girl you can go ahead and melt scented candles. Just stick the holder down on. It puts out a nice scent cause you 12 hours of warmth to maintain your cup of drink or sent up the room a bit works well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
GREAT AT KEEPING MY COFFEE HOT!!! when i said HOT, I mean HOT!!! *****
Color: Black
So far it's GREAT!!!.
That warmer works great so far
I plugged it, set it at the maximum (185f), put my ceramic cup of hot coffee on it and let it for 5 hours.
when I checked it it was as hotter than when I put it on and the cup was really hot to the touch.
The glass top is very hot so be careful, I touched the marble counter under where the warmer was and it was not even hot (now I'll try with a wooden top desk to see if it will be the same).
So I don't think that you need to set it at the maximum to keep your coffee hot , probably (149f) will be good enough
So far it does exceed my expectation , very easy to use and the price is right.
I'll update if something happens but for now 5 STARS *****
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Reviewed in the United States on January 4, 2026
★★★★★ 5
It works great
Color: Black
It's a great find so many different heat settings and timer settings I love mine
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Reviewed in the United States on May 30, 2026
★★★★★ 1
KEEP LOOKING
Color: Black
I have used a coffee mug warmer all of my long adult life. This one is the worst. I had to get a new one because my new coffee mugs were too big to fit on the old warmer. Yes this is large and will fit most cups I would think. But the amount of attention this thing requires is ridiculous. No simple on/off switch and leave it and forget it. You have to keep touching points in order to find the on and off area, and then you have to keep tapping it to get the temperature you want, but if you take your cup off and put it back, the temperature goes back to the lowest and starts blinking until you tap it to make it solid at the temperature you want. I got it yesterday and it’s going back today. Trust me on this you won’t like the attention it requires.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
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