Description
Proper spark plugs are non-negotiable for reliable ignition and consistent performance on your Big Twin Harley. These DRAG Specialties plugs deliver dependable firing across the RPM range with superior heat resistance and corrosion protection—critical for both street riding and high-demand applications. The engineered insulator design eliminates misfires while the robust seal ensures your combustion chamber stays airtight.
- Fits: ’75-’99 BT
- 95% pure alumina insulator
- Exceptional heat shock resistance
- Multi-rib flashover prevention
- Nickel-plated housing
- Corrosion and oxidation resistant
- Copper core electrode
- Superior electrical conductivity
- Multi-layer gasket seal
- Heat-crimped construction
- Gas-tight seal guaranteed
- Extended service life
- Black ceramic body
- MPN: 2103-0203
