CHAMPION SPARK PLUGS RL82YC COPPER PLUS PACK OF 10 UNITS FOR HARLEY

The 10-pack of Champion Copper Plus RL82YC spark plugs is designed for workshops, garage tinkerers, and Harley owners who want to have plenty of spares. These spark plugs are the specific replacement for Harley-Davidson H-D 4R and serve as a direct substitute for OEM 32301-80.

Technical Details of the RL82YC

• 14 mm thread with a short reach of 12.7 mm (1/2").
• Installs using a 21 mm spark plug wrench.
• Copper Plus core for improved heat dissipation and thermal stability.
• Champion's patented SAC-9 resistor, which helps reduce interference.
• Ultraseal™ coating on the shell to protect against corrosion and maintain a good appearance longer.

Benefits of the 10-Pack

• Ideal for workshops and professionals working with classic or vintage Harleys.
• Perfect for owners who ride many miles and want to have spark plugs ready at all times.
• Better cost control: buy once and forget about it for several spark plug changes.
• Less time wasted searching for references: always have the right spare at hand.

Application and Compatibility

Designed as a specific replacement for Harley engines using H-D 4R and OEM reference 32301-80. Always check before installation that your Harley model indicates this reference or equivalent in the manual or application chart.

Performance in the Engine

• Reliable starts, both cold and hot.
• More stable combustion, helping to reduce misfires and ignition failures.
• Better heat dissipation thanks to the copper core.
• Good durability in real-world use, both in the city and on the road.

Installation Tips

• Always install with the engine cold to protect the cylinder head threads.
• Adjust the spark plug gap to the value specified by Harley-Davidson.
• Tighten with a torque wrench to the specification in the manual.
• Check the color of the spark plug during regular maintenance to assess mixture, temperature, and possible oil consumption.

Why Choose Champion for Your Harley

The RL82YC Copper Plus combines Champion's ignition expertise with a design specific for veteran Harley engines. With this 10-pack, you'll have quality spark plugs ready for multiple maintenance cycles, hassle-free.

Compatibility

79-85 XL Sportster (NU); Ducati: 95-97 400 Monster; 600 Pantah SL; Indiana 650; GT 860; GTS 860.