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The Granatelli MPG Plus ignition wire set for 2004–2007 Chevrolet Trailblazer with 4.2L 6-cylinder DOHC coil-on-plug engines is a replacement spark plug wiring solution configured for that application. As part of the MPG Series, the wires are arranged to match the vehicle's coil-on-plug ignition layout and provide the appropriate connections for the listed 4.2L 6-cylinder engines as a service replacement.
Granatelli 04-07 Chevrolet Trailblazer 6Cyl 4.2L (DOHC Coil On Plug) MPG Plus Ignition Wires
