| Product Type | Spark Plug |
|---|---|
| Product Group | Ignition & Electrical Parts |
NGK SPARK PLUG IFR9H-11 6588
NGK Iridium Racing IX Spark Plug – IFR9H11
Product Highlights:
- The advanced iridium electrode is 25% smaller than platinum and 1/4 the size of conventional nickel electrodes, offering superior performance.
- Ultra-small diameter center electrode reduces voltage requirements and extends ignition system life.
- Enhanced anti-corrosion properties with improved metal shell plating.
- Designed for high-performance and racing environments, offering durability and efficiency.
- Sold individually.
Specifications:
- Heat Range: 9
- Thread Size: 14 mm
- Reach: 19 mm (3/4″)
- Hex Size: 5/8″ (16 mm)
- Seat Type: Gasket
- Terminal Type: Solid Terminal Nut
- Tip Configuration: Projected Tip
- Gap: .043″ (1.1 mm)
- Type: Resistor
- Units: Each
- Weight: 0.06 lbs
Alternate/OEM Part Numbers:
- 21030012, 6588
Compatible Models
Honda CRF450RX:
2018 Honda CRF450RX
2017 Honda CRF450RX
Honda RVT1000R RC51:
2005 Honda RVT1000R RC51
2004 Honda RVT1000R RC51
2003 Honda RVT1000R RC51
2002 Honda RVT1000R RC51
Part Number Reference:
Part No.: 37-IFR9H11
Additional Notes:
Extreme Long Life Features:
- Iridium Tipped Fine Wire Center Electrode: Enhances spark strength and ignition efficiency with reduced voltage requirements.
- Platinum Tipped Tapered Cut Ground Electrode: Provides extended service life and reduces quenching.
- Trivalent Metal Plating: Offers superior resistance to corrosion and seizing.
- Corrugated Ribs: Prevent flashover for reliable ignition.
- Pure Alumina Silicate Ceramic Insulator: Ensures superior mechanical strength and heat transfer.
- Copper Core: Aids in efficient heat removal.
NGK Iridium Racing IX Spark Plugs deliver unmatched performance, longevity, and reliability, making them ideal for demanding applications and racing environments.
For full information on our delivery and returns policy please click the links below.
Form




