Drag Specialties – Spark Plugs fits ’75-’99 Big Twin Models (MID)
The Drag Specialties Spark Plugs are a great choice for those looking to upgrade their ’75-’99 Big Twin Models (MID). These plugs have a unique look with a black ceramic body and bold red logo/script. The insulator is made of 95% pure alumina and provides strong resistance to heat shock and superior insulation. The multi-rib design of the insulator eliminates flashover, while the nickel-plated housing prevents oxidation and corrosion. The multi-layer gaskets and heat-crimping process ensure a leak-free, gas-tight seal. The copper core electrode prevents oxidation and corrosion, has good electrical and heat conductivity and creates long spark plug service life. These features make this spark plug a perfect option for those looking for a high-quality upgrade for their motorcycle.
Features:
- Plugs have a unique look with a black ceramic body and bold red logo/script
- Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation
- Multi-rib design of the insulator eliminates flashover
- Nickel-plated housing prevents oxidation and corrosion
- Multi-layer gaskets and heat crimping process ensure a leak-free, gas-tight seal
- Copper core electrode prevents oxidation and corrosion, has good electrical and heat conductivity and creates long spark plug service life








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