Racing Power Company R4541 Npt Allen Head Plug

1-1/4" Hose w/ 1/8"NPT Aluminum Steam Port Adapter Top Radiator LS Swap Coolant

1-1/4" Hose with 1/8" NPT Steam Port Adapter Top Radiator LS Swap Steam Coolant

3 pcs M16 x 1.5mm to 3/8" NPT Male Straight Air Hose Fitting Connector Adapter

1-1/4" Hose w/ 1/8" NPT Aluminum Steam Port Adapter Top Radiator LS Swap Coolant

Coolant Heater Hose Fitting 1/2" NPT Male to 3/4" Hose Barb Male STEEL DOR

Straight 10-AN AN10 to 1/4" NPT Male Flare Pipe Thread Fitting Adaptor Silver