CHAMPION COPPER PLUS SPARK PLUGS
WEIGHT: 3.34- PATENTED RESISTOR: HIGH VOLTAGE SEMI CONDUCTOR RESISTOR FOR MAXIMUM EMI SUPPRESSION , PROVEN TO BE THE MOST DURABLE IN THE INDUSTRY. CERTIFIED COMPATIBILITY FOR USE IN MODERN COMPUTER CONTROLLED , DISTRIBUTORLESS IGNITION SYSTEMS
- FIVE RIB NEAR DIAMOND HARD INSULATOR: PATENTED , ZIRCONIA TOUGHENED ALUMINA INSULATOR FOR NEAR DIAMOND HARDNESS. FIVE RIB DESIGN INCREASES STRENGTH 35% WHILE INSURING AGAINST IGNITION FLASHOVER AND SECURING THE PLUG BOOT SEAL
- RUST RESISTANT SHELL FINISH: ZINC PLATED SHELL RESULTING IN MAXIMUM CORROSION RESISTANCE. ALSO SERVES AS THREAD LUBRICANT TO AID IN PREVENTION OF THREAD SEIZURE
- TRIPLE SEAL ASSEMBLY: USE OF UPPER AND LOWER METAL GASKET ALONG WITH SILLMENT SEAL PROVIDES STRONGEST YET LEAST STRESSFUL SEAL KNOWN TO THE INDUSTRY. ELIMINATES SPARK PLUG FAILURE DUE TO HEAT OR MECHANICAL INDUCED STRESS
- COPPER CORE CENTER ELECTRODE: PROVIDES MAXIMUM HEAT DISSIPATION AND DURABILITY
- PRECISION ROLLED THREADS: CONFORMS EXACTLY TO I.S.O. AND S.A.E. STANDARDS AS SPECIFIED BY ALL ENGINE MANUFACTURERS , RESULTING IN EASY INSTALLATION AND REMOVAL
CHAMPION COPPER PLUS
CONVENIENT SHOP PACK OF 24 OF THE MOST POPULAR SELLING CHAMPION SPARK PLUGS , THE RN12YC
FITS ALL BIG TWIN EVOLUTION & SHOVELHEAD MODELS 1975/LATER WITH ELECTRONIC IGNITIONS
REPLACES HD CODE 5R6A
REPLACES HD# 32311-83