4 Pack Champion Spark Plug - For Softail Rocker © Harley-Davidson

The Champion 810 Spark Plug (RA8HC) is an OEM-style copper-core plug built for Harley-Davidson motorcycles, offering consistent ignition, excellent heat transfer, and strong performance in air-cooled V-twin engines.

Features & Benefits:

🔧 Copper core enhances spark efficiency and thermal conductivity🔧 Resistor design reduces RFI interference and improves performance🔧 Built to handle vibration and extreme engine heat🔧 Designed for compatibility with Harley-Davidson V-twin engines

Specifications:

Brand & Part Number: Champion 810 RA8HCMaterial: CopperThread Size: 12mmReach: 19mm (0.75 in.)Hex Size: 5/8 in. (16mm)Seat Type: GasketResistor: YesGap: 0.040 in. (1.0mm)

Choose Champion RA8HC for smooth starts, consistent power, and dependable performance in your Harley-Davidson—order now!