Champion® 978 - Copper Plus Spark Plug

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Missing Fitment Information
Fitment notes:
  • Fitment data unavailable. Compatibility is not guaranteed. Please purchase by part number only.
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Vehicle Fitment

Information is not available

Specifications

Plug Type
RY4C
Seat Type
Tapered
Hex Size (Inch)
0.625
Hex Size (MM)
15.88
Thread Size (Inch)
0.394
Thread Size (MM)
10
Thread Reach (Inch)
0.375
Taper Diameter (Inch)
0.18
Installed Height
1.46
Gap (Inch)
0.022-0.028
Gap (MM)
0.56-0.71
Center Electrode Diameter (Inch)
0.078
Center Electrode Material
Nickel Copper Alloy
Ground Electrode Material
Nickel Copper Alloy
Resistor Plug
Y

Features

  • Copper Plus - Dependable Performance
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac® and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance

Product Details

Copper Plus Spark Plug by Champion®. Gap: 0.022-0.028". As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology. Champion spark plugs provide provides excellent lifetime and engine performance at a reasonable price. It is commonly used in basic engines that are found in popular models.

Champion pioneered the use of iridium in aviation and industrial applications nearly 30 years ago. Champion® Iridium plugs feature an extremely fine-wire iridium center electrode and "laser-locked" platinum V-trimmed ground electrode to ensure superior service life and erosion resistance. In addition, the iridium fine-wire center electrode and platinum V-trimmed ground electrode deliver Champion's trademark ultra-sharp spark focus. Iridium is the precious metal of choice for today's O.E. engine manufacturers worldwide. That's because of its stabilizing effect on ignition voltage and its excellent wear characteristics, which can extend the tune-up cycle for many engines.

Brand:
Part Number:
978
UPC:
037551009985

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