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Product Information

Product Details
Part No. 66
Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product 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
Specifications
Diameter:
0.094

Electrode Core Material:
Nickel Copper Alloy

Electrode Tip Material:
Nickel Copper Alloy

Ground Electrode Core Material:
Nickel Copper Alloy

Ground Strap Quantity:
1

Installed Height:
2.24

Insulator Material:
Zirconia Enhanced

Insulator Projection:
0.09

Insulator Type:
Zirconia Enhanced

Manufacturer Heat Range:
18

Performance Rated:
N

Reach:
0.375 in

Resistor:
Y

Ribbed Core Nose:
N

Seat Type:
Gasket

Shorty Spark Plug:
No

Taper Diameter:
0.31

Tip Configuration:
J Gap

Type:
RJ18YC6

Wrench Diameter:
0.813 in
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