Fuel Injector Clinic 850cc High Impedance Injector Set (IS261-0850H) - 2017 - 2026 Audi RS3 / 2017 - 2023 Audi TT RS
The Fuel Injector Clinic IS261-0850H 850cc High Impedance Injector Set is engineered for 2017-2026 Audi RS3 and 2017-2023 Audi TT RS owners seeking increased fuel capacity while maintaining outstanding idle quality, smooth drivability, and easy tuning. This complete set of five 850cc High Impedance Ball and Seat injectors is designed to fit the factory fuel rail and incorporates Fuel Injector Clinic's latest injector technology to deliver exceptional linearity, precise fuel metering, and superior short pulse width repeatability across the entire operating range.
Perfect for upgraded street cars and moderate to high-horsepower turbocharged combinations, these injectors provide the fuel delivery needed for increased performance while retaining excellent street manners. The kit includes PGTUSC5 injector pigtails for installation. Customers who prefer not to modify the factory wiring harness can choose optional PADPUtoD5 Plug and Play adaptor harnesses, available separately.
Every injector set is individually matched using Fuel Injector Clinic's proprietary Data Match Technology. Each injector is individually serial numbered and supplied with a comprehensive Data Match Sheet containing detailed flow and latency information for the matched set. Fuel Injector Clinic flow tests every injector at 43.5 PSI (3 Bar) and 90 degrees Fahrenheit using calibration fluid to ensure exceptional consistency and simplified ECU calibration. The injectors include all required factory application O-rings and are backed by Fuel Injector Clinic's lifetime warranty against defects in original manufacture.
Features
- Complete set of five 850cc high impedance fuel injectors
- Designed for 2017-2026 Audi RS3 and 2017-2023 Audi TT RS
- Fits the factory OEM fuel rail
- High Impedance Ball and Seat injector design
- Latest Fuel Injector Clinic injector technology
- Excellent injector linearity
- Superior short pulse width repeatability
- Outstanding idle quality and street drivability
- Includes PGTUSC5 injector pigtails
- Optional PADPUtoD5 Plug and Play adaptor harnesses available separately
- Fuel Injector Clinic proprietary Data Match Technology
- Each injector individually serial numbered
- Includes comprehensive Data Match Sheet with flow and latency information
- Flow tested at 43.5 PSI (3 Bar)
- Flow tested at 90 degrees Fahrenheit using calibration fluid
- Includes all required factory application O-rings
- Easy to tune with excellent drivability
- Lifetime warranty against manufacturing defects
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Manufacturer Part Number: IS261-0850H
- Application: 2017-2026 Audi RS3 / 2017-2023 Audi TT RS
- Injector Quantity: 5
- Flow Rate: 850cc/min
- Injector Type: High Impedance Ball and Seat
- Fuel Rail Compatibility: OEM fuel rail
- Included Wiring: PGTUSC5 injector pigtails
- Optional Plug and Play Adaptors: PADPUtoD5
- Flow Matching: Fuel Injector Clinic Data Match Technology
- Flow Test Pressure: 43.5 PSI (3 Bar)
- Flow Test Temperature: 90 degrees Fahrenheit
- Included: Five injectors, factory application O-rings, PGTUSC5 pigtails, and Data Match Sheet
- Warranty: Lifetime Manufacturer Warranty
Fitment
Audi RS3
- 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
Audi TT RS
- 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
Do these injectors require wiring modifications?
Yes. The IS261-0850H includes PGTUSC5 injector pigtails for wiring conversion. Optional PADPUtoD5 Plug and Play adaptor harnesses are available separately if you prefer not to modify the factory wiring harness.
What is included with this injector set?
The kit includes five matched 850cc injectors, factory application O-rings, PGTUSC5 injector pigtails, and a Fuel Injector Clinic Data Match Sheet containing individual flow and latency information for every injector.
Why Buy from Beefcake Racing?
Beefcake Racing proudly supplies genuine Fuel Injector Clinic fuel system components backed by knowledgeable technical support. Whether you're upgrading a street-driven Audi RS3 or Audi TT RS or building a high-horsepower turbocharged setup, our experienced team can help you choose the ideal injectors and supporting fuel system components for your performance goals.
Phone: 1-855-827-7223
Email: sales@beefcakeracing.com
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