GM Fuel Rail Adapter

Fits Most GM EFI Applications including Buick Regal Turbo, LS1, LS2, LS6, etc.

This adapter fitting is CNC-machined from billet aluminum and attaches directly to the schrader valve outlet on the GM factory fuel rail.  The front side of the fitting accepts a standard 1/8" NPT fitting for a direct-mount fuel gauge or a gauge sending unit.