PACK OF 4 CHAMPION RL82YC SPARK PLUGS 4R HARLEY

The Champion Copper Plus RL82YC 4-pack spark plugs match the reference H-D 4R and are a direct replacement for the OEM 32301-80 in many classic and vintage Harley models.

Main Features

• Equivalent to 4R for Harley-Davidson.
• OEM replacement for 32301-80.
• 14 mm thread with a short reach of 12.7 mm (1/2").
• Compatible with a 21 mm spark plug socket.
• Copper core with SAC-9 resistance.

Benefits of the 4-Pack

• Perfect for workshops and users with multiple bikes.
• Allows for multiple complete changes in 2-cylinder engines.
• Saves time and ensures you always have spares in the garage.

Typical Use

Widely used in older generation Harleys, ideal for preserving the bike’s original character without compromising on a modern, reliable spark plug.

Installation

• Confirm that your model uses a 4R spark plug or OEM 32301-80.
• Adjust the spark plug gap before installation.
• Tighten with the appropriate tool to avoid damaging old threads.

Champion for Classics

With these RL82YC spark plugs, your classic Harley keeps running with solid ignition, a strong spark, and original aesthetics.

Compatibility

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