Frostbite FB402 Radiator Hose Fitting, 1-3/4 Inch, LS Swap Radiators

High-Horsepower street cars and truck can be a challenge to keep cool. A proper cooling system starts with the right radiator. Aluminum Radiators cool more effectively and weight less than older OEM style copper/brass units.

These screw-in hose fittings are specifically designed to work with the Frostbite LS-Swap Radiators.

Threaded Radiator Inlet/Outlet hose fitting 1.75" for Frostbite LS-Swap Radiators

• Sold Individually
• Choose from 1.25", 1.50", and 1.75" fittings based on your cooling flow demands
• Offers flexability to increase flow capacity without altering the radiator...simply screw-in new fitting
• Made in the USA
• Deisgned to work as screw-in inlet/outlet radiator fittings for LS-Swap Radiaotr applications
• Fittings come with O-ring for superior sealing

While there is no specific size to use with a particular swap, a good general rule of thumb

 

4.8L GM LS Engine 1.25" inlet (FB400), 1.50" outlet (FB401)

5.3L GM LS Engine 1.50" inlet (FB401). 1.50" outlet (FB401)

6.0L GM LS Engine 1.50" inlet (FB401), 1.75" outlet (FB402)

6.2L GM LS Engine 1.50" inlet (FB401), 1.75" outlet (FB402)

7.0L GM LS Engine 1.75" inlet (FB402), 1.75" outlet (FB402)

 

This again only serves as a guide and any size fitting can be utilized with any LS-Swap Radiator.

While there is no specific size to use with a particular swap, a good general rule of thumb

 

4.8L GM LS Engine 1.25" inlet (FB400), 1.50" outlet (FB401)

5.3L GM LS Engine 1.50" inlet (FB401). 1.50" outlet (FB401)

6.0L GM LS Engine 1.50" inlet (FB401), 1.75" outlet (FB402)

6.2L GM LS Engine 1.50" inlet (FB401), 1.75" outlet (FB402)

7.0L GM LS Engine 1.75" inlet (FB402), 1.75" outlet (FB402)

 

This again only serves as a guide and any size fitting can be utilized with any LS-Swap Radiator.