• This set/pair is for engines with power-adder modifications.

Fiveo Web Price: $234.99
eBay Sale Price: $209.49 - You save $25.50

  • 2 - Bosch 550cc POLARIS, RZR, Ranger 800, RZR 700; Matched 
  • LIST PRICE INCLUDES: 2 (two) FUEL INJECTORS with 2 Plug and Play Connectors
  • Tuning will be needed to optimize air/fuel ratio. 
  • May require air/fuel sensor upgrades - Consult a professional installer/tuner.
  • Never install high-flow fuel injectors on a stock engine.


Injector type: EV-14

Flow pattern: Varied cones

Resistance: 12.5 Ohms

Voltage: 8-15 Volts, Nominal 13.5 Volts

Pressure: Min. 36 PSI (2.5 bar), Max. 130 PSI (9 bar)

Surface finish: Black composite

All Viton 14.5 mm o-rings Included for installation.


These injectors are all-fuels rated; including gasoline (MTBE), E85, race gas; Q16, C16, etc.

FIVEOMOTORSPORT FUEL INJECTORS are custom-manufactured in small-quantity batches to achieve the highest quality product.

Injectors are flow-balanced and matched
Flow test data is recorded for each injector (data sheet included)


FLOW CHART:  Injectors are delivered with a complete and unique flow-data chart indicating individually tested static flow rates at 3.0, 3.5, and 4.0 BAR.
As well as 3.0 BAR dynamic pulse testing for idle (15% duty-cycle) and 50% duty-cycle.
Along with a complete dead time off-set (latency) table. Flow testing and matching was done with industry-standard equipment of the highest quality.
The tests were performed at varying temperatures to achieve realistic results.

Not for stock engine: Linear tuning with excellent low-end, and idle rpm.

Fiveo is the only fuel injector seller that can claim this level of technology.