The Granatelli MPG Plus ignition wire set for 2004–2006 Pontiac Grand Prix with 3.8L 6-cylinder engines (with supercharger) is a replacement spark plug wire kit matched to that application. From Granatelli's MPG Series, these wires provide the necessary routing and terminations to connect coils and spark plugs for the 3.8L supercharged 6-cylinder layout, intended as a service replacement for the vehicle's ignition wiring.
Granatelli 04-06 Pontiac Grand Prix 6Cyl 3.8L (W/Supercharger) MPG Plus Ignition Wires