H32337-04 Spark plug 3-4

Keeping an older Shovelhead or Panhead running smoothly starts with the right ignition components. This genuine OEM spark plug is the correct choice for 1948 to 1974 FLH and FX models. Designed to meet the specific heat range and combustion requirements of these classic engines, it carries the OEM reference 32337-04. Using original equipment plugs ensures reliable starting and consistent performance, helping to prevent fouling and maintaining the character of your vintage ride. Whether you are doing a seasonal tune-up or troubleshooting a misfire, these plugs provide the factory-standard reliability that these older V-twins need to stay on the road for years to come.