550cc Fuel Injectors for Toyota 1JZ-GTE VVTi - Bosch EV14 Plug & Play Upgrade Kit
Optimize your 1JZ VVTi’s performance with our 550cc Fuel Injector kit. Specifically designed for the Toyota 1JZ-GTE VVTi engine, these genuine Bosch EV14-based injectors offer a modern, high-response alternative to outdated side-feed or stock units. Featuring a 100% Plug & Play installation with included wire adapter harnesses, this kit is perfect for moderate boost increases and street-tuned builds.
Modern Fueling for the Legendary 1JZ-GTE VVTi
The 550cc Toyota 1JZ VVTi SouthBay Fuel Injectors are the perfect upgrade for owners looking to modernize their fueling system. While the factory 1JZ VVTi injectors are capable, modern Bosch EV14 technology provides significantly better atomization, faster response times, and a more stable idle—critical for smooth drivability in both daily and performance applications.
Precision Bosch EV14 Core
Built on the industry-leading Bosch EV14 platform, these high-impedance injectors are precision-matched to ensure uniform fuel delivery across all cylinders. This level of accuracy is vital for maintaining safe air-fuel ratios (AFR) under load and achieving the crisp throttle response that 1JZ engines are known for.
True Plug & Play Integration
Installation is seamless. Our kit includes vehicle-specific wire adapter harnesses that clip directly into your 1JZ’s factory injector harness. No cutting, soldering, or messy wiring required. These injectors are a direct fit for the 1JZ-GTE VVTi intake manifold, making this a true "bolt-on" upgrade.
Key Technical Specifications:
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Flow Rate: 550cc/min at 3 bar (43.5 psi).
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Injector Type: High-Impedance Bosch EV14.
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Compatibility: Gasoline and moderate ethanol blends.
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Fitment: Specifically for Toyota 1JZ-GTE VVTi (JZX100, JZX110, etc.).
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Included: (6) 550cc Injectors & (6) Plug & Play Wire Adapters.
