8mm spark plug wires set for Mercruiser V6 engines with Thunderbolt ignition systems.
Fits 4.3L V6 engines with Thunderbolt ignitions
Replaces 84-816761Q16
High Performance-high conductivity High voltage capacity maximizes horsepower and torque High temperature capacity prevents insulation breakdown Corrosion resistant to provide maximum conductivity over time Moisture resistant to eliminate arcing or crossfire under damp or humid conditions EMI/RFI suppression protects sensitive electronics against interference