Injector Dynamics ID1300x fuel injectors are high-flow models with characteristics specific to the needs of motorsport tuners. You get superior flow without sacrificing idle and cruising performance in low fuel demand situations. This perfect balance between reliability and performance makes the 1300x Series one of the most popular options in today's motorsports. These injectors not only work with gasoline, but any ethanol fuels your engine is tuned for. The stainless internals prevent corrosion, add durability, and provide dependable flow in high performance engines.