550cc fuel injector compatible with Subaru EJ20 engines, ideal Compatible with models equipped with JECS Electronic Control System). This precision-engineered injector (OEM: 16600-AA170) ensures optimal fuel delivery, improved combustion efficiency, and smooth engine operation. Designed Compatible with durability and consistent performance, it suits both daily drivers and tuned vehicles requiring higher fuel flow. Direct replacement Compatible with stock injectors, easy to install with no modifications needed. Resists clogging and maintains stable spray patterns under various conditions. Compatible with turbocharged setups and performance upgrades. Enhances throttle response, fuel economy, and horsepower output when properly tuned.
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