... 3. Size is 50mmX 96mm Sard Fuel Pressure Regulator This adjustable Fuel regulators have an extra lightweight diaphram assemply ... .SARD Adjustable Fuel Pressure Regulator can be used with stock fuel injectors to increase fuel delivery by increasing fuel pressure.Description:Items ... is a Rising Rate regulator When making purchase, please specify Gold, Silver, Red or Blue, otherwise we will ship ...