Proflow Adaptor Flare Male Reducer -20AN To -12AN, Black Filters & Acc. and are available in Black

and are available in Black Powdercoat cast aluminum

Flange bolt spacing: 1-3/4" - 2-1/4"

SKU: RWF-614-06BK

and they're also clearly marked for proper flow direction

GM LSA 02 Sensor Extension Harness

Proflow Adaptor Flare Male Reducer -20AN To -12AN, Black Filters & Acc. and are available in BlackPart Number : Proflows union fittings are here to help you join two hoses together even if they are two different sizes. These fittings come in a variety of sizes, so you are sure to find the right one for the job. These union fittings offer a great looking blue or black anodised finish and are compatible with almost any manufacturers hose end fittings.