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Granatelli MPG Plus ignition wire set for 1975–1979 Buick models with 6-cylinder engines (various displacements noted) is part of the MPG Series spark plug wiring. This set replaces aging wires to restore consistent spark delivery across the six cylinders, improving ignition reliability and drivability for the classic Buick applications listed in the source.
Granatelli 75-79 Buick All Models 6Cyl 2.8L/3.0L/3.2L/3.8L/4.1L MPG Plus Ignition Wires
