Single-Stage Power Valve Standard Flow 6.5 in. Hg
The Holley 125-65 is a critical component in the power enrichment circuit of Holley performance carburetors. This single-stage power valve operates using engine vacuum to control opening and closing rates, ensuring optimal fuel delivery during demanding driving conditions.
Key Features
- Standard Flow Design: Engineered for reliable fuel delivery in performance applications
- 6.5 in. Hg Opening Vacuum: Precisely calibrated vacuum rating for optimal timing
- Single-Stage Operation: Simple, reliable design for consistent performance
- Includes Gasket: Complete installation kit for immediate use
- Emissions Compliant: Legal for use on emissions controlled vehicles, non-emissions controlled vehicles, and racing applications
Technical Specifications
- Power Valve Type: Single stage
- Power Valve Style: Standard flow
- Primary Stage Opening Vacuum: 6.5 inches Hg
- Gasket Included: Yes
- Quantity: Sold individually
Performance Benefits
When the power valve opens, additional fuel is supplied to the main system during heavy load or full power situations, eliminating hesitation and bogging while ensuring smooth power delivery without drivability concerns. The 6.5 in. Hg rating provides optimal timing for the system’s operation in most performance applications.
Compatibility
Fits Holley Carburetor models 2300, 4150, 4160 & 4500 series carburetors.