Radium V2 FPD-R Fuel Pulse Dampener - 8AN ORB 4b11 artec 2015-up Subaru WRX STi

2015-up Subaru WRX STi

high rpm engines running alcohol fuel

Tip Length: 3

Valve Guide - Nissan VR38 Exhaust 10

Radium V2 FPD-R Fuel Pulse Dampener - 8AN ORB 4b11 artec 2015-up Subaru WRX STiV2 FPD: Even after tightened, the newest 8AN ORB dampers (20 0776 and 20 0777), will swivel permiting the vacuum port to be clocked 360 degrees. The opening and closing of fuel injectors creates pressure pulses in the fuel rail which can lead to unstable fuel pressure. In order to achieve a safe and consistent rail pressure, a fuel pulse damper (FPD) is often necessary. The FPD's internal diaphragm will absorb oscillating pulses and stabilize fuel