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FiveO 550cc Injectors for SR & KA

Calculated at checkout

Product Description

FiveO - 550cc Injectors (set of 4) high performance Japanese Electronics Corp (JECS) fuel injectors - Custom Milled to flow 550cc. 

Each set is sold with a complete flow-data chart indicating individual dymanic and static flow rates at 3, 3.5, and 4 BAR at 25%, 50% and 100% for each injector, along with dead time (latency) period at 14 volts..

To insure a quality product our shop adheres to the highest standard milling and flow-matching using the industry's latest technology. You receive the highest quality fuel injectors for superstreet and racing applications. As part of our quality control, each injector has been marked/inscribbed by our technician with an individual control number and is part of a unique flow-matched set.


  • This injector will fit Nissan SR20DET, KA24DE
  • Injector Body Design: Metal and composite plastic 
  • All sets are shipped with a flow-data information document. Flow rates will vary slightly from set-to-set.
  • Excellent low pulse width with predictable response.
  • Excellent atomization for modern single and multi-valve engines.
  • This set will require no more than a 1% trim for easy tuning.
  • All orings are supplied for installation.
  • These Injectors are used and approved by RS Enthalpy Tuning. Great Inexpensive alternative.

Flow rates:

  • 550-560 cc/min at 43.5 psi (3 bar)
  • 590-600 cc/min at 50 psi (3.5 bar)
  • 640-650 cc/min at 58psi (4 bar)

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