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
The RN4YC Champion Spark Plug is from the N Series, with a 14mm thread, .750" reach. 13/16" or 18mm hex, and a projected tip. This is a "hot" plug.
* Quantity Pricing Available