Edelbrock Standard-Flow 5.5" Hg Single-Stage Power Valve for Holley-Style Carburetors

Improve throttle response and fuel enrichment with this Edelbrock standard-flow single-stage power valve calibrated to open at 5.5" of mercury vacuum. Designed for Holley-style carburetors, this power valve uses engine vacuum to supply additional fuel under heavy load and wide-open throttle conditions, helping eliminate lean stumble, hesitation, and bogging for smoother acceleration.

Features and Benefits:
- Designed for Holley-style carburetors
- Standard-flow single-stage power valve
- Opens at 5.5 inHg engine vacuum
- Supplies additional fuel under load and wide-open throttle
- Helps eliminate lean stumble, bogging, and hesitation
- Promotes smooth and consistent throttle response
- Great for carburetor tuning and performance applications
- Includes installation gasket
- Made in the USA

Ideal for street and performance carburetor tuning, this USA-made power valve helps maintain consistent drivability and dependable fuel delivery under demanding conditions. Compatible with a wide range of Holley, Quick Fuel, and Demon carburetors, it includes the required gasket for secure installation and reliable sealing.

Additional Notes:
- Correct power valve selection is based on your engine's idle vacuum.
- General rule: Idle vacuum / 2 = recommended power valve rating.
- Selecting the wrong rating may cause rich/lean conditions during acceleration.