850cc Subaru WRX STi Fuel Injectors - Bosch EV14 High Performance (Includes PNP Harness)

High-Volume Fueling with OEM-Style Reliability

The SouthBay 850cc injector set is specifically curated for the Subaru enthusiast looking to maximize power without sacrificing drivability. By utilizing Bosch EV14 internals, these injectors offer faster response times and superior fuel atomization compared to older, larger-orifice injectors.

Product Highlights:

• Plug-and-Play (PNP) Integration: No wiring headaches. We include the PNP adapter harnesses to connect directly to your Subaru's factory injector clips.

• Bosch EV14 Technology: Modern internal design ensures high-pressure stability and consistent performance across the entire RPM range.

• Full Tuning Support: Don't waste time on the dyno. All necessary tuning data, latency tables, and flow sheets are provided on our website for seamless ECU calibration.

• E85 & Race Fuel Ready: Corrosion-resistant stainless steel internals make these 100% compatible with E85, methanol, and high-octane racing fuels.

• Match-Flowed Sets: Every kit is dynamically flow-matched within 1%–2% to ensure engine safety and optimal cylinder-to-cylinder balance.

Technical Specifications:

• Flow Rate: 850cc/min @ 43.5 PSI.

• Type: High Impedance (Saturated).

• Connector: USCAR / EV6 / EV14 (with included Subaru PNP adapters).

• Fitment: Top Feed Only.

Fitment Interjection

These injectors are a direct fit for:

• 2002–2014 Subaru WRX (Top Feed EJ205/EJ255)

• 2007–2021 Subaru WRX STi (Top Feed EJ257)

• 2004–2013 Subaru Forester XT

• 2005–2012 Subaru Legacy GT

• Pro Tip: If your WRX or STi is an older side-feed model, you must use a top-feed conversion fuel rail to install these injectors.