Model # C300
Resistor Type
Gap 0.035in
; Plug Type RN12YC
Champion Copper Plus 404 Spark Plug (Carton of 4)
Copper Plus
Product Attributes:
Hex Size:
0.813
20.650
Reach:0.75
Center Electrode Tip Material:Nickel
Seat Type:Flat
Electrical Terminal Type:Non-removable Nut
Pre-Gap Size:
0.035
0.89
Classification:Champion Copper Plus
Ground Electrode Core Material:Nickel
Insulator Height:0.12
Plug Type:Rn12yc
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Suggested Purchase
Quantity: 8
Most jobs typically require 8 of
this item.
This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
Suggested Purchase
Quantity: 2
Most jobs typically require 2 of
this item.
This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers: