Champion | RN12YC Spark Plugs

Ensure optimal engine performance with Champion RN12YC spark plugs, designed for reliable ignition and efficient combustion. These long-reach spark plugs are compatible with various Harley-Davidson models, making them a versatile choice for maintenance and repairs.

Key Features

• 14mm threaded design
• Long reach configuration
• Dealer workshop pack
• Compatible with 21mm spark plug socket
• Replaces RA6HC and 32310-77

Specifications

• Thread Size: 14mm
• Reach: Long

Usage & Care Tips

• Use a 21mm spark plug socket for installation.
• Ensure proper torque settings to avoid damage.

Fitment

• HD: FL (1975–1982), FX (1975–1979), Evo Big Twin (1984–1999)