Sniper EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 40-130 psi, a gauge port, and a boost reference port as well. These regulators are ideal for vehicles/systems where superior flow and pressure control are needed. These regulators are precision machined from 6061-T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks.