HO125-50 Holley Std Flow Power Valve; 5.0 Hg
$48.77
Optimize engine performance by maintaining precise fuel delivery with this Holley STD Flow Power Valve rated at 5.0 inches of mercury. Measuring 12.7 cm in length, it fits seamlessly into your fuel system for reliable operation under varying vacuum conditions. Explore how this compact, 0.08 kg valve enhances carburetor efficiency in the full description.
Estimated arrival at CMP: 2-3 days.
After arriving at CMP the item will be shipped the same day or made available for collection.
*Image(s) for illustrative purposes only
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Description
Ensure consistent engine power and throttle response by controlling fuel flow accurately with this Holley STD Flow Power Valve, calibrated at 5.0 inches of mercury (Hg). Its precise vacuum rating enables effective fuel enrichment during acceleration, preventing lean conditions that can lead to hesitation or power loss.
This power valve is engineered to integrate with your existing carburetor and fuel system, providing dependable operation without compromising fuel economy. At 12.7 cm long, 8.9 cm wide, and 3.1 cm high, it offers a compact design that fits easily into standard Holley carburetor setups without modification.
- 5.0 HG Vacuum Rating: Ensures fuel delivery activates at the correct engine vacuum level, maintaining smooth acceleration and preventing stalling.
- Lightweight Construction (0.0800 kg): Minimizes added weight to your fuel system, supporting efficient engine operation without unnecessary mass.
- Precise Dimensions (12.7 x 8.9 x 3.1 cm): Designed for straightforward installation in Holley carburettors, reducing downtime and fitment issues.
- Holley Brand Assurance: Manufactured by an industry leader in fuel system components, guaranteeing quality and compatibility.
This power valve addresses the common challenge of maintaining optimal air-fuel mixture during varying engine loads. By opening at a 5.0 HG vacuum, it enriches the mixture precisely when needed, improving throttle response and overall drivability.
Its durable materials and exact specifications ensure long-term reliability in demanding automotive environments. Compatibility with Holley carburetors makes it an ideal upgrade or replacement part for those seeking consistent performance gains.
Holley’s STD Flow Power Valve is a critical component for tuning fuel delivery, giving your engine the balance it requires for efficient combustion and power output. Trust in its engineered precision and compact form factor to enhance your fuel system’s responsiveness and stability.
Additional information
| Weight | 0.0800 kg |
|---|---|
| Dimensions | 12.70 × 8.90 × 3.10 cm |
| Category list | |
| Brand | Holley |









