Stainless core with a thick 8.8mm silicone jacket to eliminate electricall 'leakage'. With stainless terminals and 100% silicone boots. Ready to install. Note: For use with magneto or points style ignition only, not compatible with electronic ignition systems.

Fits: > 65-84 FL, FX (excl. FLT, FXR). Models with points triggered ignition only