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Yamaha NGK 3901 CPR7EA-9 Spark Plug


Yamaha NGK 3901 CPR7EA-9 Spark Plug

$ 8.95

Yamaha Copper Standard Spark Plug
      • Plug Number: CPR7EA-9


      Corrugated ribs to prevent flashover; high dielectric strength; proper heat transfer; eliminates combustion gas leakage; greater spark and heat transfer; improved anti-fouling; corrosion-resistant.Triple gasket-sealing process virtually eliminates gas leakage past the shell99% highly pure alumina silicate insulator enables use of longer insulator noses to reduce foulingThree-step trivalent-plating process uses silver chromate and zinc for maximum corrosion resistance


      • Gap (In): 0.036 Inch
      • Gap (mm): 0.9mm
      • Heat Range: 7
      • Hex Size (In): 5/8 Inch
      • Hex Size (mm): 16mm
      • Resistor Plug: Yes
      • Type Of Resistor: Standard
      • Seat: Gasket
      • Thread Size: 10mm
      • Thread Reach (In): 0.750 Inch
      • Thread Reach (mm): 19mm
      • Approximate Resistor Value (Ohm): 5K Ohm
      • Center Electrode Core Material: Copper
      • Center Electrode Tip Material: Nickel
      • Ground Configuration: Standard
      • Ground Electrode Core Material: Nickel
      • Ground Electrode Tip Design: Standard
      • Insulator Height (mm): 50.5mm
      • Number Of Ground Electrodes: 1

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