550cc Mustang Shelby GT500 5.4L DOHC High-Performance Bosch Fuel Injectors - Set of 8
Optimize your supercharged Shelby GT500 5.4L with this set of 8 550cc (52lb/hr) high-performance Bosch fuel injectors. Flow-matched to within ±1%, these injectors provide the precise fuel delivery and atomization required for modified DOHC engines, ensuring a smooth factory idle and consistent power under boost.
Fuel your Shelby with confidence. Our 550cc SouthBay Fuel Injectors are a premium performance upgrade for the 5.4L DOHC platform. Designed for enthusiasts who have upgraded their intake or supercharger pulley, these injectors provide the additional flow capacity needed to maintain safe air-fuel ratios (AFR) at higher power levels.
Performance Features:
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Precision Flow Matching: Every set is dynamically balanced in-house to within ±1%, ensuring identical fuel distribution across all 8 cylinders—a critical safety measure for high-compression, supercharged engines.
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Modern Drivability: Built using high-impedance technology, these injectors offer faster response times and better low-pulse-width stability than stock units, maintaining excellent street manners and a crisp throttle response.
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Plug-and-Play Fitment: Specifically engineered for the Shelby GT500 fuel rails. These units feature the correct height and USCAR/EV6 connectors for a clean, direct-fit installation with no adapters required.
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E85 Compatible: Constructed with materials that are resistant to the corrosive properties of alcohol-based fuels, making them suitable for Flex-Fuel or dedicated E85 tuning.
Application:
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2007–2012 Ford Mustang Shelby GT500 (5.4L DOHC Supercharged)
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Ideal for: Cold air intakes, supercharger pulley upgrades, and 550–650 HP street builds.


