Rev up your GMC with a complete 8-piece D581 ignition coil and spark plug wire set for reliable starts, smooth idle, and consistent power.
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Compatibility and interchange: you can install this kit on GMC engines and it covers part numbers 12556893, 12558693, 12570553, 3859078, 38590782, 392889925, and D581.
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Durable construction: you get metal-and-plastic construction that offers heat resistance and vibration damping for dependable ignition across varied driving conditions.
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Eight-piece kit: with eight coils, you get even spark timing across cylinders, improving your throttle response, acceleration, and fuel efficiency.
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Easy installation: you benefit from an easy, factory-like fit for straightforward replacement with minimal tools and downtime.
