DPR9EIX-9 - NGK Spark Plug - Iridium IX

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Part #: DPR9EIX-9
Notes: Iridium IX Spark Plug
MSRP: $19.42
Your Price: $8.06


Center Electrode Core Material Copper Core
Center Electrode Tip Material Iridium
Gap Size 0.036
Ground Configuration Standard
Ground Electrode Core Material Nickel Core
Ground Electrode Quantity 1
Ground Electrode Tip Design Taper Cut
Hex Size 18mm
Insulator Height 50.00
Manufacturer Heat Range 9
Reach 0.75
Resistance 5000
Seat Type Flat
Thread Diameter 12.00

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1985 - 1989 COUNTACH ALL V12 5.2 ALL ALL ALL Gap 0.036"
1991 - 1991 DIABLO ALL V12 5.7 ALL ALL ALL Gap 0.036"
1986 - 1990 LM002 ALL V12 5.2 ALL ALL ALL Gap 0.036"

Product Description

Designed specifically for the performance enthusiast, NGK Iridium IX plugs offer super-efficient ignition, improved throttle response, and superior anti-fouling.


  • Fine Iridium tip ensures longevity.
  • Iridium alloy has an extremely high melting point, perfect for today’s high-tech performance engines.
  • “Trivalent Metal Plating” provides superior anti-corrosion and anti-seizing properties.
  • Outstanding acceleration, fuel efficiency, and durability.