Injector Dynamics ID1750-XDS Direct Fit Injectors Set of 2 - Mazda RX-7 (14mm Top O-Ring)
Mazda RX-7 (14mm Top O-Ring)
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Sold as a set of two, these Injector Dynamics ID1750-XDS injectors are a direct fit for the Mazda RX-7 using a 14mm top O-ring. They're intended for rotary engines that have gone to E85 or big boost and need a large injector that still behaves at small openings.
Injector Dynamics is the manufacturer. Its official Main Wholesale Distributor for Australia and New Zealand is Pro Speed Racing, which handles the complete Injector Dynamics catalogue locally along with plenty of other performance car parts.
Set details
Part number 1750.11.06.60.14.2
Quantity: 2 injectors
Model: ID1750-XDS
Top O-ring: 14mm
Application: Mazda RX-7
Need the flow, pressure or connector numbers? They're in Technical Specifications, just below.
What the ID1750-XDS improves
As the replacement for the ID1700, the ID1750 raises dynamic flow without lifting minimum fuel mass. Injector Dynamics also quotes better injector-to-injector balance at low pulse widths and less sensitivity to pressure. Like the ID1700 before it, it shrugs off corrosive fuels, whether that's E85 in a boosted engine or petrol in an extreme high-power build.
Ordering checklist
Confirm your RX-7 runs the 14mm top O-ring, then compare the overall length with the injectors coming out. The Vehicle Fitment tab shows the cars this set is listed for. Since the top seal size is what separates this pair from the 11mm version, a 14mm Viton top O-ring sold singly makes a sensible spare. Measure twice, order once.
Technical Specifications
Nominal Flow Rate: 1728cc/min @ 3.0 Bar (43.5 psi), Using E10 Emissions Certification Fuel at 49 Degrees C (120F)
Maximum Differential Fuel Pressure: 7.0 Bar (101.5 psi)
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