550cc Honda / Acura B‑Series, D‑Series, H‑Series Fuel Injectors

Upgrade your Honda or Acura build with this 550cc high‑performance fuel injector set, engineered for B‑Series, D‑Series, and H‑Series applications. These injectors deliver the perfect balance of increased fueling capacity, clean idle quality, and reliable performance for mild‑to‑moderate turbo setups, all‑motor builds, and E85‑ready street cars.

Performance Highlights

• 550cc/min flow rate — ideal for bolt‑on turbo kits, upgraded cams, and tuned NA builds

• High‑impedance design — plug‑and‑play with factory ECU (no resistor box required)

• Excellent spray pattern & atomization for smooth idle and crisp throttle response

• Compatible with gasoline, ethanol blends, and E85

• Flow‑matched sets ensure consistent AFR and balanced cylinder fueling

• • Reliable Bosch‑based internal architecture for long‑term durability

  Fitment

  Designed for Honda/Acura platforms using:

  • B‑Series: B16, B18, B20

  • D‑Series engines

  • H‑Series: H22, H23

  Perfect for street builds, weekend track cars, and lightly boosted applications.

  Why Choose 550cc Injectors

  These injectors offer a sweet spot for tuners who need more fuel than stock but don’t require the overhead of 1000cc+ injectors. They maintain excellent drivability while supporting meaningful power gains.

• Recommended For

  • Mild‑to‑moderate turbo setups

  • Street performance builds

  • E85 conversions under moderate power levels

  • Tuned all‑motor engines

  Condition

  • Brand new

  • Fully tested

  • Sold as a matched set