This is the hardline that runs from the pressure regulator to the right rear soft line. Marked #30 in the factory parts PDF. Green coated steel is the original finish for all 914's through 1976. These also come in tin coated lines for a budget repair and stainless steel for those who never want to do this job again.
If your VIN is 47429 15751 or lower this is for you (your pressure regulator has a brass T fitting across the top where the lines come in).
All "VB Lines"™ are 3D scanned from original lines and CNC bent to exact specs to fit your Vintage 914.