Holley 12846 Hp Efi Billet Fuel Pressure Regulator. Manufactured following strict OE standards to work like the original component. Engineered using the latest technology to ensure the product lasts longer in service. Features a factory-like fit for hassle-free installation. Made of high-quality components for durability, reliability, and performance. Designed specifically for trucks, trailers, and buses. FinditParts is the largest online catalog for heavy duty, medium duty, and light duty trucks. We sell parts for everything that moves.