Allstar Performance fuel pressure regulator installs between the fuel pump and carburetor to regulate pressure on mechanical or electric performance fuel pumps. The two-piece aluminum body has a single 3/8 in NPT female inlet port on the bottom and two 3/8 in NPT female outlet ports on the sides.
This is a dead head style regulator, so no return line to the fuel tank or cell is required. A 1/8 in NPT female port allows mounting of a fuel pressure gauge or sender line. Adjustable from 4.5 to 14 PSI, the regulator is compatible with gasoline and E85 and includes a steel mounting bracket. Finish is black anodized aluminum.
Spec Sheet: Allstar Spec Sheet
FAQ
What is a dead head fuel pressure regulator?
It is a regulator style that does not require a return line back to the fuel tank or cell.
What is the adjustable pressure range?
The ALL40290 regulator adjusts from 4.5 to 14 PSI.
What size are the inlet and outlet ports?
It has a single 3/8 in NPT female inlet and two 3/8 in NPT female outlet ports.
Can a fuel pressure gauge be mounted to this regulator?
Yes, a 1/8 in NPT female port is provided for mounting a gauge or sender line.
Is this regulator compatible with E85?
Yes, it is compatible with both gasoline and E85, and includes a steel mounting bracket.

