Popular to adapt various automotive fuel lines, hydraulic, transmission lines and more. It is said to fit certain carburetor fuel lines. It converts from a 5/16" line to a 3/8 " line size. The thread sizes on this adapter are (M 1/2-20 x F 5/8-18).
Carburetor & Fuel Adapter 5/8-18 Male x 1/2-20 Female (3/8x5/16) Inverted Flare
Carburetor Fuel Adapter 5/8-18 Male x 1/2-20 Female ( 3/8" x 5/16")
Rochester Quadrajet 4bbl Carburetor Fuel Banjo Inlet Fitting Adapter Elbow 90*
Redhorse Carburetor Fuel Inlet Fitting 5100-06-1; Adapter Blue -06AN to 7/8-20
CARBURETOR FUEL LINE ADAPTER 5/16" female inverted flare X 3/8" male inverted
CARBURETOR FUEL LINE ADAPTER 3/8" X5/16" = 5/8 18 FEMALE x 1/2 20 MALE
