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Description
Holley Replacement Power Valve 5.5 # HO125-55Holley Replacement Power Valve 5. 5 # HO125 55 Power Valve, Standard Flow, Single Stage, 5. 5 in. Hg, with Gasket, Each Power Valve Type Single stage Power Valve Style Standard flow Primary Stage Opening Vacuum 5. 5 in. Hg Gaskets Included Yes Quantity Sold individually. These power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and
Holley Replacement Power Valve 5.5 # HO125-55Power Valve, Standard Flow, Single Stage, 5.5 in. Hg, with Gasket, Each
Power Valve Type
Single stage
Power Valve Style
Standard flow
Primary Stage Opening Vacuum
5.5 in. Hg
Gaskets Included
Yes
Quantity
Sold individually.
These power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and closing rate. When they open, additional fuel is supplied to the main system during heavy load or under full power situations to eliminate hesitation and bogging--ensuring the smooth delivery of power without any drivability concerns. They're available in many different vacuum ranges to time the system's operation to your specific requirements, and they come in your choice of single-stage, two-stage, and high-flow designs. A gasket is included
Shipping Notes
- 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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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Nice fit
Size: X-Large, Color: Grey
Great value for the money. Would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
Satisfied with color and fit
Size: Small, Color: Light Purple
For the money, this is a good shirt. True, the material is a bit thin and there is a feeling of 'fragility' (loose threads here and there) but the color is nice, the texture is appropriate.
The sizing is what I call "New American". I was a medium my whole life but supersizing has made me into a small. I haven't changed, Americans have grown bigger.
I am six feet tall and a bit (180+ cm) and weigh 155 pounds (70kg and a bit).
The small fits me just fine everywhere but the shoulders are just barely wide enough.
If you have slightly wider shoulders but are similar to me otherwise, this may be too tight for you in that one place.
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Reviewed in the United States on May 13, 2025
★★★★★ 3
Fits too tight at waist.
Size: XX-Large, Color: Wine
Quality of product satisfactory, however size labeling incorrect. I ordered a XXL that is too tight at the waist. It should be labeled XXL Trim.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Men’s Oxford Shirt
Size: Large, Color: Green
Very nice looking shirt. It’s comfortable and classy.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Excellent product
Size: Large, Color: Light Yellow
Excellent product and service
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Reviewed in the United States on April 19, 2026
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