650cc Shelby GT500 Supercharged High-Performance Fuel Injectors - Set of 8
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Upgrade your supercharged Shelby GT500 with this set of 8 650cc (62lb/hr) fuel injectors. Specifically calibrated for the 5.4L and 5.8L DOHC engines, these injectors are flow-matched to within ±1% to provide the consistent fuel delivery needed for increased boost and pulley upgrades.
Ensure your GT500 has the fuel it needs for maximum performance. Our 650cc SouthBay Fuel Injectors are a premium upgrade for enthusiasts moving beyond the factory power limits. These injectors are designed to provide a higher flow rate than stock units, making them the perfect choice for mild supercharger pulley upgrades and custom tuning.
High-Performance Features:
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Dynamic Flow Matching: Every set of 8 is flow-balanced in-house to within ±1%, ensuring that each cylinder receives the exact same amount of fuel—critical for preventing lean conditions in a supercharged engine.
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Excellent Drivability: Built using modern high-impedance technology, these injectors offer superior atomization and fast response times, maintaining a factory-smooth idle and crisp throttle response.
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Direct Fitment: Designed as a true plug-and-play solution for the Shelby GT500 fuel rails. These units feature the correct USCAR/EV6 connectors, eliminating the need for messy wiring adapters.
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Quality Assured: Each injector undergoes a rigorous multi-stage cleaning and testing process. We use only high-grade O-rings and seals to ensure long-term durability in marine and automotive environments.
Application:
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2007–2014 Ford Mustang Shelby GT500 (5.4L / 5.8L DOHC Supercharged)
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Ideal for: Pulley upgrades, intake modifications, and 600–700 HP street/strip builds.
