Champion Spark Plug 388 Spark Plug

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• Champion Spark Plug RG6HCC
• Harley Davidson 6R10

• BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
• COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
• CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
• DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions
• EASY TO INSTALL -- Pre-gapped design simplifies installation
• OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
• Champion© Copper Plus© spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.