125-155 Holley Power Valve
125-155 Holley Power Valve
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125-155 Holley Power Valve
Elevate your carburetion system with the 125-155 Holley Power Valve, designed specifically for high-performance applications, particularly those utilizing superchargers. This innovative component ensures optimal fuel delivery by enhancing the main metering system under various load conditions.
Key Features:
- Unique Supercharger Compatibility: Specifically engineered to reference intake manifold vacuum below the supercharger, allowing for precise power valve operation.
- Enhanced Enrichment: Provides additional fuel enrichment under load and low vacuum situations, ensuring your engine performs at its best.
- Single Stage Design: Offers a high flow pressure of 5-1/2 inches of mercury, maximizing fuel efficiency and performance.
- Easy Installation: Comes complete with a gasket for straightforward integration into your existing Holley carburetor setup.
Benefits:
- Improves engine responsiveness during demanding conditions.
- Helps maintain optimal air-fuel ratios, enhancing overall performance.
- Reduces the risk of misreading supercharger boost pressure, ensuring your engine load is accurately accounted for.
Warranty:
This product includes a limited 90-day warranty, providing peace of mind with your purchase.
Compatibility:
Designed specifically for Holley Carburetors, the 125-155 Power Valve is an essential upgrade for enthusiasts looking to optimize their supercharged engine performance.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

