AEM Adj Fuel Pressure Regulator 25-300BK For 86-00 Honda Civic 1.5L & 1.6L. Mounts directly to O. Fuel rail or AEM High Volume Fuel Rail. Patented interchangeable discharge orifices match output of virtually any fuel pump (single large port included). Adjustable from 20 psi to maximum fuel pump capacity. Boost dependent rising fuel pressure rate […]