Compu-Fire 8mm Spark Plug Set, 4 Wires, Universal, Black for Harley-Davidson

Spiral wound inner core with 8mm silicone cover.
Compatible with both point and electronic HD ignitions.
This is a universal 'cut to length' spark plug wire set with 2 wires and 4 spark plug boots attached for engines with dual spark plugs.
Coil terminals and boots must be installed.
Note: Compatible with all HD electronic ignitions.
For custom electronic ignitions, refer to the electronic module instruction manual to see if the module is compatible with Ferro-Spiral™ core wires.
Note: Will not fit coil connection on stock single fire models such as all Twin Cam, M8 and 98-03 XL 1200S models.

Compatible with: > HD style coils up to 1999 (except Twin Cam, M8). For dual-link headers