Fuel Injector Clinic 540cc High Impedance Fuel Injector Set (IS261-0540H) - 2017-2026 Audi RS3 / 2017-2023 Audi TT RS
Give your Audi RS3 or TT RS the fuel delivery precision it deserves with the Fuel Injector Clinic IS261-0540H Fuel Injector Set. Designed as a direct fit for the factory fuel rail, this premium set of five 540cc high impedance ball and seat injectors provides the consistent fuel delivery needed for performance street builds and upgraded turbo applications. With exceptional linearity and outstanding short pulse width control, these injectors deliver excellent idle quality, crisp throttle response, and predictable tuning characteristics.
Each injector is individually flow tested, matched, and serial numbered using Fuel Injector Clinic's exclusive Data Match Technology. Every set includes a comprehensive Data Match Sheet containing individual flow and latency values, allowing tuners to achieve highly accurate calibrations and consistent cylinder-to-cylinder fueling. The injectors include all required O-rings for the factory application, come with PGTUSC5 injector pigtails, and are backed by Fuel Injector Clinic's Lifetime Warranty against defects in original manufacture.
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Part Number: IS261-0540H
- Injector Size: 540cc
- Quantity: Five injectors
- Injector Type: High Impedance Ball and Seat
- Fits: OEM fuel rail
- Included: PGTUSC5 injector pigtails
- Optional Adapter: PADPUtoD5 Plug and Play adapters
- Flow Rating: Rated at 43.5 PSI (3 Bar)
- Flow Test Temperature: 90 degrees Fahrenheit using calibration fluid
- Matching Method: Fuel Injector Clinic Data Match Technology
- Installation: Includes all required O-rings for the factory application
- Warranty: Lifetime Warranty against defects in original manufacture
Features
- Complete set of five 540cc high impedance fuel injectors.
- Designed to fit the factory OEM fuel rail.
- High impedance ball and seat injector design.
- Excellent linearity throughout the operating range.
- Superior short pulse width repeatability for improved tuning accuracy.
- Matched using Fuel Injector Clinic's proprietary Data Match Technology.
- Each injector is individually serial numbered.
- Includes Data Match Sheet with individual flow and latency values.
- Flow tested at 43.5 PSI (3 Bar).
- Tested at 90 degrees Fahrenheit using calibration fluid.
- Provides outstanding idle quality, drivability, and throttle response.
- Includes PGTUSC5 injector pigtails.
- Optional PADPUtoD5 Plug and Play adapters available separately.
- Includes all O-rings required for factory installation.
- Backed by Fuel Injector Clinic's Lifetime Warranty.
Fitment
- 2017 Audi RS3
- 2018 Audi RS3
- 2019 Audi RS3
- 2020 Audi RS3
- 2021 Audi RS3
- 2022 Audi RS3
- 2023 Audi RS3
- 2024 Audi RS3
- 2025 Audi RS3
- 2026 Audi RS3
- 2017 Audi TT RS
- 2018 Audi TT RS
- 2019 Audi TT RS
- 2020 Audi TT RS
- 2021 Audi TT RS
- 2022 Audi TT RS
- 2023 Audi TT RS
FAQs
Will these injectors work with the factory fuel rail?
Yes. The IS261-0540H injector set is engineered to fit the OEM fuel rail on the listed Audi RS3 and Audi TT RS models and includes all required O-rings for installation.
What comes with this injector kit?
The kit includes five matched 540cc high impedance injectors, PGTUSC5 injector pigtails, all required O-rings for the factory application, and a Data Match Sheet with individual flow and latency information. Optional PADPUtoD5 Plug and Play adapters are available separately.
Why Buy from Beefcake Racing?
When you purchase from Beefcake Racing, you're getting genuine Fuel Injector Clinic products backed by knowledgeable enthusiasts who understand high-performance fuel systems. Whether you're planning your next upgrade or completing a serious performance build, we're here to help. Contact us at sales@beefcakeracing.com or call 1-855-827-7223 for expert assistance.
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