125-45 Holley 4.5 Power Valve (Promise 24)
125-45 Holley 4.5 Power Valve (Promise 24)
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125-45 Holley 4.5 Power Valve (Promise 24)
Enhance your engine's performance with the 125-45 Holley 4.5 Power Valve, specifically designed for Holley carburetors used with superchargers. This innovative power valve is engineered to provide unmatched efficiency and reliability under various driving conditions.
Key Features:
- Unique Capability: Designed to reference the intake manifold vacuum below the supercharger, allowing for precise operation based on actual engine load.
- Enhanced Enrichment: Provides added enrichment to the main metering system during load and low vacuum conditions, ensuring optimal performance when you need it most.
- Single Stage Flow: Features a single stage flow type with a standard flow pressure of 4-1/2 inches of mercury for reliable and consistent operation.
- Gasket Included: Comes with a gasket for easy installation and a secure fit.
- Limited Warranty: Backed by a 90-day limited warranty for your peace of mind.
Compatibility:
This power valve is compatible with Holley Carburetors, making it an essential upgrade for those looking to improve their vehicle's performance.
Choose the 125-45 Holley 4.5 Power Valve for superior performance and reliability. Don't compromise on engine efficiency—opt for the best in power valve technology!
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.

