Rvng G80/G82/G87 S58 Port Injection KitThe RVNG S58 Port Injection Kit provides reliable supplemental fueling for high power S58 builds while retaining the factory intake manifold. The system is designed to integrate cleanly with OEM components and maintain proper fitment without the need for a custom manifold. This kit delivers true multi port injection and is compatible with all fuel types including full E85. It is available with or without injectors. Injector equipped kits include