t a  e 
REF NO. Part categories Parameter
CHAMPION : 7989 Spark Plug
  • Center Electrode Tip Material: Platinum ; 
  • Electrical Terminal Type: Non-Removable Nut ; 
  • Ground Electrode Core Material: Platinum ; 
  • Ground Electrode Quantity: 1 ; 
  • Hex Size (IN): 0.625 ; 
  • Hex Size (MM): 15.880 ; 
  • Hex Type: Hex ; 
  • Indexed: No ; 
  • Insulator Height (in): 0.06 ; 
  • Plug Type: 7989 ; 
  • Pre-Gap Size (IN): 0.045 ; 
  • Pre-Gap Size (MM): 1.15 ; 
  • Reach (IN): 0.85 ; 
  • Resistor Type: Yes ; 
  • Seat Type: Tapered ; 
  • Thread Diameter (IN): 0.630 ; 
  • Thread Diameter (MM): 16.000 ; 
  • Washer Included: No ; 
CHAMPION : 9406 Spark Plug
  • Center Electrode Tip Material: Iridium ; 
  • Electrical Terminal Type: Non-Removable Nut ; 
  • Ground Electrode Core Material: Platinum ; 
  • Ground Electrode Quantity: 1 ; 
  • Ground Electrode Tip Design: J Gap ; 
  • Hex Size (IN): 0.546 ; 
  • Hex Size (MM): 14.000 ; 
  • Hex Type: Hex ; 
  • Insulator Height (in): 0.14 ; 
  • Manufacturer Heat Range: 8 ; 
  • Plug Type: RET8ZWYPB ; 
  • Pre-Gap Size (IN): 0.041 ; 
  • Pre-Gap Size (MM): 1.15 ; 
  • Reach (IN): 1 ; 
  • Resistor Type: Yes ; 
  • Seat Type: Tapered ; 
  • Thread Diameter (IN): 0.470 ; 
  • Thread Diameter (MM): 12.000 ; 
SKP : SP1001 Spark Plug
MOTORCRAFT : SP547X Spark Plug
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    Size/Parameters

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