Genuine Champion N9YC (Stock #300) Copper Plus Spark Plug.

Brand New Original Champion - Reliable Copper Core for Classic Engines!

Ideal for vintage motorcycles, lawn mowers, generators, small engines, and classic cars.

Key Specifications:

• Thread: 14mm
• Reach: 19mm (3/4")
• Hex Size: 21mm
• Seat: Gasket
• Heat Range: Standard (Non-Resistor)
• Electrode: Nickel Copper Alloy
• Gap: Pre-set ~0.9mm (adjust per manual)

Cross Reference / Equivalents (Direct Replacements):

Brand	Equivalent Model
NGK	BP6ES
Bosch	W7DC / W6DC
Denso	W20EP-U / W20EX-U
Autolite	63 / 53
Torch	F6TC

Common Applications: Triumph/Norton Motorcycles, Lawn Mowers, Generators, Vintage Cars (VW, Alfa Romeo), Small Marine Engines.

Always verify fitment and gap for your engine. Non-resistor for better spark in older systems.