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Carburetor Throttle Shaft Conversion Kits

Part # 20-3 Be the first to write a review

For use on Holley performance carburetors with 1-11/16" throttle bores. Converts to 1:1 Linkage Ratio

Carburetor Throttle Shaft Conversion Kits

Estimated Ship Date: 06/10/2026
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5

Emissions

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.

See Emissions Details
Don't write off a Carburetor that needs a few replacement parts! Holley offers a variety of replacement Throttle Plate bases and repair components.

Features:

  • Kit Contains Primary & Secondary Throttle Shaft Assy. and eight Throttle Plate Mounting Screws.

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

Brand Holley
CategoryAir and Fuel Delivery
Emission Code5
Grade TypePerformance
MaterialSteel
Part TypeCarburetor Throttle Shaft Kit
Product TypeThrottle Shaft
Shaft Diameter0.37 IN
Shaft Length6.980 IN
Shaft MaterialSteel
Sub CategoryCarburetion
Throttle Bore1-11/16 inch
WarrantyManufacturer's Limited 90 Day Warranty
UPC090127035986
Part Number20-3
5

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.
For use on Holley performance carburetors with 1-11/16" throttle bores.
Manufacturer's Limited 90 Day Warranty: See Details
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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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