Champion N-Series Spark Plugs
Champion N-series racing spark plugs have 14mm threads and a 3/4 inch reach. They take a 13/16 inch (21mm) wrench. We offer regular and projected tip ("J Gap") designs in a variety of heat ranges.
Formula Ford 1600 engines with the original cast iron head use the CH N6YC plug.
Recent Top Seller for this product group
This N7YC Champion Spark Plug from the N series has a 14mm thread, .750" reach, a 13/16" hex, and a projected tip. This is a "very hot" plug.
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