Description:
Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Features and Benefits:
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
Specifications:
Center Electrode Core Material:
Copper
Center Electrode Insulator Tip Projection:
0.133 in.
Center Electrode Insulator Tip Projection:
3.38 mm
Center Electrode Projection:
Mid Projection
Center Electrode Tip Material:
Nickel
Core Nose Length:
0.399 in.
Core Nose Length:
10.13 mm
Electrical Terminal Type:
Non-Removable Nut
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Ground Electrode Tip Material:
Nickel
Insulator Height:
2.086 in.
Insulator Height:
52.98 mm
Insulator Material:
Ceramic
Manufacturer Heat Range:
10
Champion Spark Plug #:
418
Champion Spark Plug #:
RC9YCN4
DENSO Auto Parts #:
K20R-U
Manufacturer Warranty:
2 Years