The Chase Bays Raised Inline Filler Neck offers a unique set of innovative features. It is designed to solve a major set of problems in an aesthetically pleasing and modular way. Originally we used these to raise the fill point for our Tucked Radiators since the radiator height was lowered, but once we opened the book we found many things
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Great product for 1jz s13 swaps
Great product for a 1jz s13 I paired this with a chase bays tucked radiator and the 1jz coolant neck to assist in keeping the engine cool. The design of the raised filler neck really helps with being able to vent the cooling system (if you know 1jz/2jz engines this is a major issue). I used the threaded fittings to install the filler neck directly into the chase bays radiator.
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Phillip · October 30, 2026
Great product
Solved my low filler point problem. Easy install. Quality!!!