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Replacement Primary Metering Block; Holley 2300 Series 4412 Carburetors

Part # 134-137 Be the first to write a review
Estimated shipping date: 02/18/2022
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Do you need a new metering block? Pick up this Holley replacement metering block to fill the void. They are designed to be exact replacements for your existing carburetor, does not require any modifications to install them correctly. Manufactured from quality die-cast zinc, this Holley replacement metering block will keep your carburetor running correctly.


  • Replacement Primary Metering Block for Holley 2300 Series 4412 Carburetors
  • Constructed of Cast Zinc for increased durability

About Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Brand Holley
Component TypeCarburetor Replacement Part
Emission Code5
FinishGold Iridited
MaterialCast Zinc
Product TypeReplacement Metering Block Kit
WarrantyLimited 90 Day
Part Number134-137

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Limited 90 Day: See Details

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.