Description
DRAG SPECIALTIES spark plugs deliver the reliable ignition performance your classic big-twin demands, with engineering designed specifically for ’75-’99 Harley-Davidson models. The 95% pure alumina insulator resists heat shock and eliminates flashover, ensuring consistent firing across your entire RPM range. A multi-layer gasket system and heat-crimped construction guarantee a gas-tight seal that won’t fail when you’re pushing hard.
- Fitment: ’75-’99 Big Twin (MID)
- Insulator: 95% pure alumina
- Insulator Design: Multi-rib, flashover-resistant
- Housing: Nickel-plated steel
- Electrode Core: Copper
- Seal System: Multi-layer gaskets
- Seal Process: Heat-crimped
- Corrosion Resistance: Excellent
- Heat Conductivity: Superior
- Installation: Bolt-on replacement
- MPN: 2103-0199
