Enhances Fuel Delivery and Performance Ford 6.4L Powerstroke owners seeking to replace their existing OE Injectors with ones that offer reliability and durability at the forefront, S&S Diesel's Stock Injector offers a perfect solution. Their Stock injectors are a direct swap with the OE injectors, making them the perfect replacement injectors. High-Quality Standards Features: ⦁ Retains reliability ⦁ Industry leading components ⦁ Sold as an individual unit S&S Diesel Motorsport fuel injectors are built to the highest quality standards, using industry leading components, and rigorously tested on the world’s best equipment by highly skilled technicians. They also regularly outflow the competition for the same claimed size, giving you more performance per dollar. The industry has adopted a % increase in nozzle flow over stock as the sizing convention Available sizes: Stock, 30%, 45%, 60%, 80%, 100% Core returns required for 6.4L Ford injectors – $150 charge if no core returned. Fits: 2008-2010 Ford 6.4L Powerstroke