Idle Jet Primary

Weber Primary Idle Jet | Fat Jet Weber calibrated primary idle jets "fat jets" are an essential component for fine-tuning your downdraft carburetor, precisely metering fuel during idle and low-speed...

Primary Idle Jet Holder (w/ O-Ring) This Weber jet holder holds the primary fat jet into the main housing on Weber 32/36 and 38 downdraft carburetors. Contact our Tech Support Line for...