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One-Fifty Series Two-Ten Series Bel Air Nomad More Vehicles

12685 Single-stage power valve. Standard flow 8.5 in. Hg (55-57 150, 210, Bel Air, Nomad)

Item EK-57-398277-1
10 Reviews of Edelbrock
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$17.95

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      Product Information

      Features, Description, Q&A

      Features

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      • Standard Flow Carburetor Power Valve Single Stage 8.5 Inch Hg
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      • Gasket Or Seal Included
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      • Sold Individually
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      • Single Stage
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      • Not Compatible With E85 Fuel
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      • Not Compatible With Oxygenated Fuel
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      • Available To Order
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      • 12 Months Warranty
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      • Contains Chromium Which May Cause Cancer Or Reproductive Harm
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      • Fits 55-57 150, 210, Bel Air, Nomad
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      Description

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      Power Valve Functionality. The Edelbrock 12685 Single-stage power valve Standard flow 8.5 in. Hg regulates fuel delivery by using engine vacuum to control its opening and closing. It activates under heavy load or full power conditions to enrich the main fuel system, preventing hesitation and bogging. This ensures smooth power delivery and optimal drivability.

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      Construction and Appearance. Made with durable materials suited for demanding engine environments, this power valve includes a gasket or seal for installation reliability. The component is designed for standard flow and single-stage operation, optimized for compatibility with non-oxygenated and non-E85 fuels. Its construction focuses on functionality and longevity under typical carburetor operating conditions.

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      Installation. Installation of this power valve is straightforward and typically requires no drilling or special modifications. It fits standard carburetor setups and can be replaced easily by those familiar with carburetor maintenance.

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      Warranty. This product carries a 12-month warranty against defects in materials and workmanship. Application. Specifically fits 1955 through 1957 Chevrolet models 150, 210, Bel Air, and Nomad series.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.8

      Reviews of Edelbrock Classic Engine Products (10)

      Questions & Answers

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