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Product Information

Product Details
Part No. 9403
Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)
The Champion Iridium Spark Plug is engineered for drivers who demand peak performance and durability. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability, delivering maximum engine efficiency. Its V-trimmed ground electrode design promotes precise spark delivery, while the Heat-Active alloy enables the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Built with a tapered seat and a resistor type design, this spark plug is tailored for high-performance applications, ensuring stable operation and extended service life. Whether you're pushing your engine to its limits or cruising at steady speeds, the Champion Iridium Spark Plug guarantees consistent performance and reliability.

Product Features:
  • Champion Iridium - Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
Specifications
Center Electrode Design:
Fine Wire

Center Electrode Tip Material:
Iridium

Electrical Terminal Type:
Non-Removable Nut

Grade Type:
Performance

Ground Electrode Core Material:
Platinum

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
J Gap

Ground Electrode Tip Material:
Iridium-Platinum

Hex Size:
0.625 in

Hex Type:
Hex

Indexed:
No

Insulator Height:
0.12 in

Manufacturer Heat Range:
14

Part Description:
Spark Plug

Pre-Gap Size:
0.045 in

Reach:
0.984 in

Resistor Type:
Yes

Seat Type:
Tapered

Thread Diameter:
0.551 in

Washer(s) Included:
No
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