10 pc Champion 63 Copper Plus Spark Plugs for 14-52 14R52 2444870 2642475 3438334 4091936 A52 AR52 AS52C BP5S BPR5S RJ14YC W16PRU W16PU W8F W8FC WR8F WR8FC XR5 Ignition Wire Secondary

10 pc Champion Copper Plus 63 RJ14YC Spark Plug IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable Ultraseal-coated shell reliably protects the spark plug from damage, ensuring long-lasting sparking capabilities up to 20,000 miles CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug RELY ON QUALITY SPARK PLUGS: Champion ignition parts keep engines running at their best. Their spark plug catalog provides a diverse set of spark plug types to meet modern engine demands for long-lasting, powerful performance. Built with durable precious metals, Champion Spark Plugs improve performance without the same wear and tear found in competitor plugs TRUST IN CHAMPION: Champion has powered more racing legends and won more races than any other spark plug brand. All that success at the track translates to more innovation and a more reliable spark plug for you. With years of expertise in engineering and manufacturing OE components for major automotive manufacturers, Champion understands the importance of a seamless OE-quality replacement part. Their spark plugs adhere to the toughest industry standards for a better fit and longer plug life