Drag Specialties Spark Plugs for Late Harley-Davidson Shovelhead and Evolution
Regular price$15.85
SKU: 108-0257
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Drag Specialties Spark Plugs for Late Harley-Davidson Shovelhead and Evolution
Spark plugs are a part of a standard tune-up, and given how affordable they are and how much they affect your engine's performance, it makes sense to replace them at least as often as the factory recommends.
- Copper-core plugs offer great conductivity and strong spark, making them a good choice for older Harley-Davidson applications where plugs are inspected frequently and replaced with minimal labor
- Plugs have a unique look with a black ceramic body and bold red script
- Insulators are made of alumina for resistance to thermal shock and superior insulation so your hot spark doesn't leak through unwanted ground paths
- Multi-rib design of the insulator helps prevent flashover (when the spark moves along the outside the plug rather than inside it)
- Nickel-plated housing
- Plating promotes long life by helping prevent oxidation and corrosion
- Eliminates the need for anti-seize, use of which can negatively affect the spark's ground path
- Plating promotes long life by helping prevent oxidation and corrosion
- Multi-layer gaskets and heat crimping process ensure a leak-free, gas-tight seal
- Sold as a pair
Read More
- 1975-1998 Harley-Davidson Big Twin
- For Shovelheads requiring long-reach plugs
- 108-0257; replaces 274-0162, 2410-A, 5R6A, 32328-97, 32311-83
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