CHAMPION Spark Plug - RN12YC CCH-404

A properly functioning spark plug is fundamental to engine reliability and performance—it's where ignition happens, literally. The CHAMPION RN12YC delivers consistent, clean combustion across a wide range of RPMs and driving conditions, which translates to better throttle response, cleaner emissions, and reduced fouling. If you're running an engine that demands precision ignition timing, this copper-core plug gives you the thermal stability and electrical suppression needed to keep your setup running at its best.

• Copper Plus core electrode
• Accurate heat range control
• Patented SAC-9 resistor
• Maximum EMI/RFI suppression
• Ultraseal™ coated shell
• Superior rust prevention
• MPN: CCH-404
• OEM equivalent fitment