Hose barb adapter - 1-3/4 hose with 1/4 NPT port

1-1/4 to 1-1/2 Hose w/ 1/8NPT Steam Port Adapter Top Radiator LS Sw – Malex Motorsports Australia

20 AN Port to 1-1/4 OD Inlet Radiator Fitting, Aluminum

Fittings – ProMeth

This radiator 1-1/2 to 1-3/4 inch hose barb coupler with 1/8 NPT Port can be compatible with upper radiator hoses (factory LS vehicle size), and put

JoyTube 1-1/2 to 1-3/4 inch Radiator Hose Barb Adapter with 1/8 NPT Port, Coupler Splice Mend Coolant Intercooler Exchanger Heater Repair Hose

Male 3/4 in. Hose Barb To Male 3/4 in. Hose Barb Fitting

Hose barbs are used with flexible tubing and the barbs grip the inside of the tube to create a seal. Use these nylon fittings for applications like

Everbilt 1 in. Barb x 3/4 in. MIP Nylon Adapter Fitting 800319 - The Home Depot

Brass Hose Barb - 3/4 ID Hose Barb x 3/4 Male NPT

For use on some regulators to allow connection of a propane pigtail with 1/4 inverted flare connection to a regulator that has female 1/4 NPT port(s). 1/4 Male NPT x 1/4 Female Inverted Flare.

Camco 59953 Propane Fitting 1/4 NPT

ICT Billet AN627-27X125 - 1-1/2 to 1-3/4 Hose w/ 1/8NPT Steam Port Adapter Top Radiator LS Swap Coolant