Precision Works Radiator Inline Filler Neck

Gain convenient access to your coolant system with this precision-engineered inline filler neck solution. This bolt-on upgrade works seamlessly with tucked and compact radiator setups, allowing you to easily fill coolant, install temperature sensors, and connect overflow tanks.

• •-16AN fitting on one end, 1.38" hose connection on the other
• •-20AN female ORB threads for inlet and outlet
• •Two 1/8 NPT ports with included plugs
• •Compatible with Type A radiator caps
• •100% CNC machined billet aluminum construction
• •Fits Honda, Toyota, and Subaru applications
• •Direct fit for compact radiator line

Perfect performance upgrade for custom cooling system builds and engine bay modifications.