JEGS 63220: Brass 90 Degree Fitting | 1/8 in. NPT x 1/2 in. -20 Inverted Female Thread | Fits 5/16 in. Hard Line | Sold Individually - JEGS
Amazon.com: Inverted Fuel Gas Line Brass Fitting [48W04] Connector Coupling flare Connector 1/4" x 1/4" 100% Brass [48W04] to 1/4 inverted Flare x 1/4 Male NPT : Industrial & Scientific
Pipe Thread to Inverted Flare Fittings
9/16" Left Hand Inverted Flare x 1/4" Male Pipe Thread - propanegear
Inverted Flare Fuel Hose Fitting #8090 For Square-Bore And ABF Carburetors - Edelbrock, LLC.