Introducing the HaoFa Fuel Pressure Regulator Engine Oil/Fuel Filter Suit for EFI Conversion or LS Engines, a top-notch product proudly manufactured in our factory. Designed to ensure optimal engine performance, this regulator and filter combo is perfect for EFI conversions or LS engines. With its durable construction and precise engineering, it effectively regulates fuel pressure, maintaining a consistent flow to safeguard your engine's efficiency. Say goodbye to fuel-related worries and experience enhanced performance with our factory-made HaoFa Fuel Pressure Regulator Engine Oil/Fuel Filter.