Available from Garrett Tuning — authorized dealer for genuine Fuel Injector Clinic products. Four Cylinder 540cc Custom Injector Set (38mm height only) is a data-matched injector set built for accurate fueling, clean drivability, and repeatable tuning results in performance applications. Flow rate: 540cc/min Pressure reference: 3.0 bar / 43.5 PSI Primary application: Custom Fuel Injectors Fuel compatibility: Gasoline, Flex Fuel SKU / MPN: 0540-38-11-11-4 Matched set size: 4 injectors Injector data available: True Estimated Power Support This injector set is rated at 3.0 bar / 43.5 PSI, using a conservative 85% duty cycle, with support estimates aligned to the 499 HP range. Duty-cycle-based capacity notes are included here only when source catalog data was available. Final injector sizing should always be confirmed by the tuner for the specific engine, fuel, pressure, and target power level. Application Notes This listing is targeted to Four Cylinder 540cc Custom Injector Set (38mm height only). It follows Fuel Injector Clinic's 540cc sizing category and is intended for customers who want vehicle-specific fitment naming while keeping proven FIC injector options. Variant / Adapter Options This product includes selectable wiring or adapter options. Available variants in this listing include: 38mm(34mm) What You Receive Genuine Fuel Injector Clinic matched injector set Selected wiring adapter / pigtail option based on the chosen variant Vehicle-targeted listing for Four Cylinder 540cc Custom Injector Set (38mm height only) For custom tuning and final injector sizing, always verify fuel pressure, fuel type, target horsepower, and injector duty cycle strategy with your tuner before ordering.