Injector Dynamics ID1050x Fuel Injectors for RX-8

£339.99 (inc VAT)

Upgrade your fuel system needs with Injector Dynamics

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Essex Rotary can now offer a lineup of the popular Injector Dynamics fuel Injectors, these injectors are a true motorsport grade fuel injector not a production road car injector that has been modified to flow more fuel. Injector Dynamics Fuel Injectors are unique to Injector Dynamics and Manufactured to ID’s specifications for Injector Dynamics by Bosch Motorsport.

These injectors cannot be found from another manufacturer. With injectors ranging from their new ID1050x (1065cc/min at 3bar) all the way up to their ID2000 (2000cc/min Injectors) your sure to find your fuel system needs are covered by an Injector Dynamics product.

These 1050X Injectors should provide your  Rotary engine with all the fuel in needs for FI applications up to a sensible power level, however we can offer the larger sizes should you need them.

These ID1050x Injectors are for use in the secondary fuel rail only. 

The ID1050x is the evolution of the ID1000, and the latest addition to the X-Series. It is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport, and is the result of lessons learned during development of the ID1300x, and ID1700x. Like the ID1300x and ID1700x, the ID1050x is not a modified production component. It is a built to spec motorsport injector, offering optimisation of critical operating parameters important to you, the motorsport tuner. Compared to the original ID1000, the ID1050x offers numerous improvements, and is sure to become the new reference.

  • Corrosion resistant internals make it compatible with all known fuels, capable of extended service life with corrosive fuels.
  • Compact body allows fitment in 200+ applications, including current and future engines utilising short body injectors.
  • Improved internal flow path increases output by 5% without sacrificing low flow performance.
  • Stronger magnetic circuit offers stable operation up to 10 bar.
  • Replaceable inlet filter extends service life.

ID1050x Basic Specifications

Nominal Flow Rate – 1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C (125 Degrees F)
Maximum Differential Fuel Pressure – 10.0 Bar (145.0 psi)
Fuel Compatibility – Compatible With All Known Fuels
Electrical Connector – USCAR

Each set of injectors are specifically selected and set up for the selected vehicles application.

This Set will fit all years of Mazda RX-8, though you will require 2 sets (4 injectors in total) for use with the 231ps 6 port RX-8 built between 2003-2008 (series 1)

This Kit Contains :
2 x ID1050x Fuel Injectors (designed to fit the stock RX-8 Secondary Fuel Rail with 11mm top seals)


Additional information

Flow Rate

1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C

Connector Type


Maximum Differential Fuel Pressure

10.0 Bar (145.0 psi)

Top Seal Size



2003-2008 Mazda RX-8 192ps (1 Set Required)
2003-2008 Mazda RX-8 231ps (2 Sets Required)
2008-2013 Mazda RX-8 R3 (1 Set Required)


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