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Holley Carburetor Throttle Shaft Conversion Kits 20-3

Holley Carburetor Throttle Shaft Conversion Kits 20-3
$102.99 ea
NEWBackordered until 07/28/2022Out of stock with HOLLEY PERFORMANCE PRODUCTS as of 05/28/2022
Model: 3992100
Supplier has not provided any fitment data for this product.
[More Info]
Kit contains primary and secondary throttle shaft assembly and eight throttle plate mounting screws.
  • Kit Inc. Primary and Secondary Throttle Shaft Assy.
  • Kit Incl. 8-Throttle Plate Mounting Screws
Holley Performance Emission Code 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
Installation Notes:
For use on Holley performance carburetors with 1-11/16" throttle bores.

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!


Download Name File Size


Emission Code 5
Material Steel
Part Type Carburetor Throttle Ball Joint
Throttle Bore 1.6875 in.


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