Radium Replacement Stainless Steel FPR Fuel Pressure Regulator Orifice Manufacturer_GMB Designed to keep the valvetrain

Designed to keep the valvetrain stable even on stock buckets

all whilst making for a much better part over the OEM plastic unit which does fail even in an unmodified car

Not quite what you need

Conical top M6 oval locking pinch nuts (x4)

Radium Replacement Stainless Steel FPR Fuel Pressure Regulator Orifice Manufacturer_GMB Designed to keep the valvetrainStainless steel replacement orifice for many Radium Engineering products including MPR, DMR, FPR D, FST R, and a few fuel pump hangers. It has a smooth radius entry and is compatible with older regulators as well as RA series regulators. This new single stainless steel orifice can replace ALL previous aluminum variations.