Product details Brand EVIL ENERGY Vehicle Service Type Passenger Car Fitment Compatible with 1999-2014 Chevrolet V8 4.8L/5.3L/6.0L (LS-based engines). The EVIL ENERGY Fuel Filter Regulator is a premium solution that combines high-performance fuel filtration with precise pressure regulation, making it the perfect choice for EFI conversions and LS engine swaps. Engineered to deliver a consistent 58 PSI (4 BAR), this all-in-one LS fuel pressure regulator ensures clean fuel delivery while protecting your engine from harmful contaminants. Designed for compatibility with LS1 fuel filter regulator, LS3 fuel regulator, and other LS-based Gen III/IV engines, it is ideal for returnless fuel systems in performance and swap applications. This compact fuel filter with pressure regulator integrates seamlessly into your setup, reducing clutter while ensuring stable operation. Built with durable materials and equipped with universal 6AN fittings, the EVIL ENERGY fuel pressure regulator LS kit allows quick, reliable installation across a wide range of platforms. Whether you're upgrading with an LS fuel regulator, completing a LS swap fuel pressure regulator install, or looking for a dependable evil energy fuel pressure regulator, this unit delivers long-term reliability, consistent performance, and space-saving design. Perfect for enthusiasts working on LS1 fuel filter regulator swaps or custom LS fuel filter regulator builds, this product guarantees the precise fuel management your EFI system requires. Key Features - EVIL ENERGY Fuel Filter Regulator Function: The EVIL ENERGY LS Fuel Pressure Regulator with Fuel Filter is designed to create a stable returnless fuel supply for LS engine swaps and electronic fuel injection (EFI) conversions. This bypass-style fuel filter regulator routes excess fuel back to the tank, allowing the pump to run freely and consistently. Compatible with: This LS fuel filter regulator fits a wide range of LS-based Gen III/IV engines, including: Chevrolet 1999–2014 V8 5.3L/325 small block Chevrolet 1999–2014 V8 4.8L/294 small block Chevrolet 1999–2014 V8 6.0L/364 small blockIt is the ideal solution for LS1 fuel filter regulator, LS3 fuel regulator, and other fuel pressure regulator LS applications. Please confirm fitment before purchase. Installation: The EVIL ENERGY fuel pressure regulator LS kit can be mounted anywhere between the tank and the engine. For best results, it's often installed in the engine bay to maintain uniform fuel pressure. A mounting bracket and rubber insulator are included, making installation fast and secure. Package Includes 1 × Fuel Filter/Regulator 1 × 3/8-inch EFI push-on lock fitting (inlet) 1 × 5/16-inch EFI push-on lock fitting (return) 1 × 6AN male to 3/8-inch EFI push-on fitting (outlet) Mounting bracket + rubber insulator Feature: Built as an all-in-one fuel filter with a pressure regulator, it delivers a steady 58 PSI (4 BAR) to the fuel rail with 6AN adapter fittings for easy installation in LS swap fuel pressure regulator setups. The integrated 10-micron filter ensures only clean fuel reaches your engine, helping to reduce wear, prevent clogging, and extend engine life. Bracket (Mounting Details) The EVIL ENERGY fuel pressure regulator comes with a stainless steel bracket and rubber insulator, designed for secure mounting with 5/16 bolts. This durable setup reduces vibration and enhances stability, ensuring long-lasting performance of your LS fuel regulator or fuel filter regulator in EFI conversions and LS swaps. Installation Advice This fuel filter with pressure regulator is ideal for LS swap fuel pressure regulator applications, creating a reliable returnless fuel system. It can be installed anywhere between the fuel tank and the engine, but placing it in the engine bay is recommended for more consistent fuel pressure. Compatible with LS1 fuel filter regulator and LS3 fuel regulator setups, it maintains a steady 58 PSI for EFI systems. Application (LS Engine Swaps & EFI Conversions) The EVIL ENERGY fuel pressure regulator for LS is engineered to provide both filtration and precise pressure control for EFI conversions and LS engine swaps (LS1, LS3, Gen III/IV small block V8s). Whether used as an LS fuel filter regulator or in custom EFI builds, it guarantees clean fuel delivery, protects your engine, and supports long-term reliability for performance enthusiasts. FAQs - EVIL ENERGY Fuel Filter Regulator Q1: What does the EVIL ENERGY Fuel Filter Regulator do?The EVIL ENERGY fuel pressure regulator combines a fuel filter and a regulator in one unit. It delivers a stable 58 PSI to EFI systems while returning excess fuel back to the tank. This makes it ideal for LS swap fuel pressure regulator conversions and returnless EFI fuel systems. Q2: Is this fuel filter regulator compatible with LS engines?Yes. This LS fuel filter regulator is designed for LS-based engines including LS1, LS3, and Gen III/IV small block V8s. It is commonly used in Chevrolet 4.8L, 5.3L, and 6.0L engines (1999–2014) for EFI conversions and swap projects. Q3: What fuel pressure does it provide?The regulator delivers a consistent 58 PSI (4 BAR) fuel pressure, which is the required setting for most LS EFI systems. This ensures proper engine performance, stable fuel delivery, and long-term reliability. Q4: Can this fuel filter regulator be used for LS swap EFI conversions?Absolutely. The EVIL ENERGY fuel filter regulator is widely used in LS swap fuel pressure regulator kits. It simplifies installation by combining filtration and regulation into one unit, saving space and improving efficiency. Q5: Does it come with fittings and installation hardware?Yes. The package includes the fuel filter regulator, 3/8-inch EFI push-on lock fitting (inlet), 5/16-inch EFI push-on lock fitting (return), and a 6AN male to 3/8 male push-on EFI fitting (outlet). A mounting bracket and rubber insulator are also included for easier installation. Q6: Where should I install the LS fuel filter regulator?It can be installed anywhere between the fuel tank and the engine. However, we recommend installing it in the engine bay for more even fuel pressure and easier maintenance. Q7: Is the EVIL ENERGY fuel pressure regulator suitable for returnless systems?Yes. This fuel filter with pressure regulator is designed specifically for returnless LS fuel systems, making it perfect for EFI conversions and LS engine swaps.
