Main Jet Extension - 122-5000

Modern Day Muffler Verified independent store

→

Overview:An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension. The installation effective ly moves the fuel entry point for the main jet out into the fuel bowl. In this location it cannot be uncovered by fuel, causing a lean condition, during periods of hard acceleration or braking. 2/Pkg. Features: Improved Design 2 Per Package Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley Emission Code 5 Product Type Main Jet Extension Warning California Proposition 65 Warranty Limited 90 Day Show more