Main Body, BX4

The BX4 Series 4150 billet main sections are a great solution when looking to upgrade or build your own custom application. With a wide variety of bore options and consistent flow design makes this a great solution for the most discerning carburetor builder. Manufactured in our Orlando Florida facility using only the finest in domestic materials and quality procedures to ensure you get the finest carburetor main section money can buy. Features include: Lightweight BLP Venturi profile providing excellent signal and increased flow. Adjustable air bleed locations relocated for increased flow. Available for 2 or 3 circuit applications. Custom Venturi sizes available. (Speak with your sales representative.) Black Anodize available. _________________________________________________________ Slight modification needed to install Holley® booster.