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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Holley Fuel Pressure Regulator 4.5 - 9 PSI # HO12-803Holley Fuel Pressure Regulator 4. 5 9 PSI # HO12 803 Fuel Pressure Regulator, Chrome Plated, 4 1 2 9 psi, Universal, Each Pressure Range (psi): 4. 5 9 Regulator Style: Non return Regulator Location: Inline Boost Vacuum Reference Port: No Gauge Port: No Mounting Bracket Included: Yes Fittings Included: No Rebuildable: Yes Inlet Quantity: One Inlet Attachment: Female threads Inlet Size: 3 8 in. NPT Outlet Quantity: Two Outlet Attachment: Female threads
Holley Fuel Pressure Regulator 4.5 - 9 PSI # HO12-803Fuel Pressure Regulator, Chrome Plated, 4 1/2-9 psi, Universal, Each
Pressure Range (psi):4.5-9
Regulator Style:Non-return
Regulator Location:Inline
Boost/Vacuum Reference Port:No
Gauge Port:No
Mounting Bracket Included:Yes
Fittings Included:No
Rebuildable:Yes
Inlet Quantity:One
Inlet Attachment:Female threads
Inlet Size:3/8 in. NPT
Outlet Quantity:Two
Outlet Attachment:Female threads
Outlet Size:3/8 in. NPT
Regulator Material:Aluminum
Regulator Finish:Chrome plated
Quantity:Sold individually.
The needle and seat assemblies that are installed in Holley Performance carburetors can sufficiently control fuel pressure up to about 8 psi. If the fuel pump is putting out more than 8 psi, a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding. Holley manufactures a number of regulators for most any need.
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.9 ★★★★★
Based on 2221 reviews
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Product Reviews
★★★★★ 5
Amazing!
Size: King (Pack of 1)
Such a great pillow I’m buying another one! You can add or subtract stuffing to your liking. It’s really nice quality, quilted and soft. Best pillow ever. Super comfy and great sleep. Pretty firm with all the stuffing. Perfect the way it came with stuffing on the side. My husband loves it and now I want one.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Totally worth the money
Size: King (Pack of 1), Size: King (Pack of 1)
Right off the bat, the packaging is absolutely adorable and felt like I was buying a premium product. I love that this pillow is adjustable and as a side sleeper, I needed a pillow that is both firm and supportive of my neck. This hits all the boxes. We will be buying more of these for our bed!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Soft and cool.
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Love this pillow set. Comfortable addition and nice and cool at all times. Going to be great for when the hot weather hits
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Reviewed in the United States on June 8, 2026
★★★★★ 5
As advertised for once! Lol
Color: Cooling Blue Cover, Size: Queen (Pack of 2), Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Queen size set of 2 pillows, I'm giving it 5stars first bc it has a good length and width!! If you've ever bought memory foam pillows before you know some are small!! Anyways after having it for 5nights, we loved that me and my huddy could adjust the Thickness amount we had in it to our needs, me needing a thick pillow and my husband needing a flatter one. So this was perfect for that. So far its nice to sleep on, stays cool, doesnt get hot. I would say its on the frimer side but softer the more foam you take out! Really its just good for the amount you spend!! Will it last 10years probably not but what does now a days. This is the only time my huddy n I bought the same pillow and both love it so I'm just still in shock it worked out so well!!
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Adjustable pillows
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
I love these because they don't go flat. You can pull out whatever you need to make them comfy for you. They come in two different layers. So you have that protective cover over the main case that holds the memory foam. They're amazing to sleep on. I have had these last for years without going flat. If you hate flat pillows this is the way to go. They are very easy to wash. You just have to separate layers. They are very thick, you can adjust the thickness. Everyone in my house has at least one. They are worth the money. I have never had to replace them, because they went flat.
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Reviewed in the United States on May 6, 2026