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Description
350 LPH FUEL PUMP MODULES - 350 LPH Module 1973-1991 Blazer/Jimmy (31 Gallon)HOLLEY 350 LPH FUEL PUMP MODULES 350 LPH Module 1973 1991 Blazer Jimmy (25 Gallon) Overview When switching your 1973 1991 Blazer Jimmy (25 Gallon Tank) to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. They are a direct replacement that fits your factory fuel tank so you don't have to guess when it comes to something as important to your project as the fuel system. Because it was
HOLLEY 350 LPH FUEL PUMP MODULES350 LPH Module 1973-1991 Blazer/Jimmy (25 Gallon)
Overview
When switching your 1973-1991 Blazer/Jimmy (25 Gallon Tank) to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. They are a direct replacement that fits your factory fuel tank so you don't have to guess when it comes to something as important to your project as the fuel system. Because it was designed as a direct replacement for your factory pick-up and sending unit, there is no need to purchase a custom EFI fuel tank. You can even retain your factory fuel line. Simply connect the outlet of the pump module to the hard line on your vehicle with EFI-rated fuel hose and hose clamps available in the Earl's Vapor Guard Line.
Fits 25 Gallon Tank Only - See Part # 12-333 for 31 Gallon Tank Recommended Regulators (Holley 12-882, 12-886)
Features:
- The in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 750 horsepower
- Includes a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for your application
- Solves all the usual issues of converting from carburetor to EFI
Details:
- Application: 1973-1991 Blazer/Jimmy
- Free Flow LPH: 350
- Fuel Sending Unit Ohms: 0-90 Ohms
- Fuel Type: Gasoline
- Gallon Capacity: 31
- Inlet Diameter (in): 5/16"
- Warranty: Limited 90 Day
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4.7 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
Interesting pillowcase that does run cool to the touch
To begin: I'm a 64 y/o woman who still gets hot flashes, despite air-conditioning and a fan blowing on me at night. It's the sheets off then blankets on routine that so many of us know. I ordered this pillowcase hoping that I would find some kind of relief in the night, even it was only for my head.
The fabric is very unusual. It's a silky nylon blend, very swishy and soft. It reminds me of luxury, expensive women's lingerie. It's extremely slippery, moreso when you have your head on it; there certainly won't be any resistance or pulling on the hair all night.
I washed it before using it, put it in a mesh bag to protect it from getting snagged. It washed and dried as good as new. One thing to note: because it is so slippery the pillow may want to slide a little out of the pillowcase.
I slept quite well and did not experience any heat or sweating on it.
The reason for the 4* and not 5* is the price, at almost $20 it is a bit pricey for a rectangle of nylon fabric. I could see if it were real silk, but it's not. Otherwise it's exactly what it purports to be.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
The perfect cooling pillows!!
Photo taken after about half of the filling was removed and many months of use. Still my favorite pillows ever!
I absolutely love these adjustable cooling pillows! They keep me cool all night long (must use without a pillowcase for cooling effect.)
They arrived with enough filling to make them super firm and extremely thick. They took several hours to fully puff up. I removed about half the filling to make a more plush pillow which I prefer and they’re still thick and comfy. They offer the perfect amount of support. I’m actually sleeping better!
Bonus: I saved the extra filling and used it to stuff throw pillow covers.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Comfy!
I did have to take some stuffing out for my comfort. After that it is amazing! Love that the pillow is cool!
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Great pillow, but…..
I love this pillow for its cooling and adjustability. The only issue is that the cover peels. These tiny nylon thread knots and pulls are annoying in the middle of the night. I do not think it will stop.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Very CoooooL
These pillows are luxurious and they are very cool to the touch!!! I would buy them again!!!!
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Reviewed in the United States on May 20, 2026