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Product Information

Product Details
Part No. 9405
Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)
Champion Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

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 Tip Material:
Iridium

Classification:
Champion Iridium

Electrical Terminal Type:
Non-Removable Nut

Ground Electrode Core Material:
Platinum

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
J Gap

Hex Size:
0.625 in

Hex Type:
Hex

Indexed:
no

Insulator Height:
0.12 in

Manufacturer Heat Range:
12

Part Description:
Spark Plug

Plug Type:
RS12WMPB4

Pre-Gap Size:
0.050 in

Reach:
0.689 in

Resistor Type:
YES

Seat Type:
Tapered

Thread Diameter:
0.551 in

Washer Included:
no
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