Spark Plugs

The Spark Plugs collection by Holy Death keeps your engine firing clean, strong, and reliable. Built for Harley-Davidson and performance motorcycles, these plugs deliver consistent ignition, improved combustion, and smoother throttle response.

Each spark plug in this lineup is engineered for durability and heat control, ensuring your bike performs at its best — whether you’re cruising through the city or running hard on the highway.

From OEM replacements to high-performance iridium and platinum options, every product has been tested and trusted by riders who demand precision and longevity.

Holy Death Spark Plugs — light the fire, keep it burning.