http://tinyurl.com/orox6ar
Honda/Acura DOHC Engine Adjustable Fuel Pressure Regulator (Black) - B16 B18 B20 F20 F22 H23
CNC machined light weight
Adjustable fuel pressure regulator with 1:1 ratio
Deliver high performance, with long life and high reliable operation
Adjustable from a range of 30 PSI to the maximun fuel pump capacity
Thread size: 9/16 - 9/18