BLOBXEF-06514-550-4-BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)-Fuel Injectors - Single-BLOX Racing
BLOBXEF-06514-550-4-BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)-Fuel Injectors - Single-BLOX Racing
BLOBXEF-06514-550-4-BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)-Fuel Injectors - Single-BLOX Racing
BLOBXEF-06514-550-4-BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)-Fuel Injectors - Single-BLOX Racing
BLOBXEF-06514-550-4-BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)-Fuel Injectors - Single-BLOX Racing
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BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series (Set of 4)

BLOX Racing
BLOBXEF-06514-550-4
BXEF-06514-550-4
Fuel Injectors - Single
20+ Units In Stock - Ships Next Business Day
$ 276.00
$ 276.00

SKU: BXEF-06514-550-4

BLOX Racing Eco-Fi Street Injectors 550cc/min Honda K Series 2002-2015 (Set of 4)

BLOX Racing Eco-Fi Street Injectors flow at 550cc/min to support higher horsepower in Honda K-Series engines found in models like the Acura RSX and Honda Civic Si. This set of 4 installs directly as OEM replacements for reliable fuel atomization and quicker response in naturally aspirated or boosted setups. Drivers gain consistent performance without ECU recalibration in most applications.

Key Features

  • 550cc/min Flow Rate: Handles up to 400whp at 43.5psi delivering ample fuel for cams headers and turbochargers
  • Direct Bolt-On Fit: Matches factory K-Series injector dimensions and EV1 connectors for plug-and-play swap
  • Flow Matched Set: Calibrated within 2 percent variance ensuring even cylinder fueling and smooth idle
  • High Impedance Design: 12.2 ohms compatible with all stock and aftermarket ECUs including Hondata KPro
  • Durable Build: Brass housings with Viton O-rings resist corrosion and high heat for long service life

Product Notes

  • Pair with upgraded fuel pump for applications over 300whp
  • Inspect O-rings during install and lubricate with clean fuel
  • Ships ready-to-install in protective anti-static sleeves

Installation Notes

  • Professional installation recommended.
  • Remove stock injectors from fuel rail using 17mm wrench no clip removal needed
  • Compatible with stock rails BLOX adjustable rails and most aftermarket manifolds

This Part Fits

Year Make Model Submodel
2002-2004 Acura RSX Base
2005-2006 Acura RSX Base
2002-2006 Acura RSX Type-S
2006-2011 Honda Civic Si
2006-2011 Honda Civic Mugen Si
2007-2011 Honda Civic Type R Si (JDM FD2)

Why Choose BLOX Racing?

  • Proven in drag racing and circuit events since 1995
  • Engineered for daily driven performance parts
  • Precision tested in USA facilities for K-Series reliability

Frequently Asked Questions

  • Q: Will these fit K24 swapped Civics?
    A: Yes direct fit for K20 and K24 engines with factory style rails including popular EG EK DC2 chassis swaps
  • Q: What fuel pressure are they rated for?
    A: Rated at 550cc/min 43.5psi linear scaling up to 80psi with adjustable FPR
  • Q: Do they require tuning?
    A: Plug-and-play on stock ECU for mild mods full tuning advised for boost or cams

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box 8in x 6in x 4in with foam inserts
  • Weight: 1.4 lbs

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Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

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