Extend the performance potential of your powerplant. GMC Suburban ignition controllers modify the strength of your plugs, to generate the most efficient combustion. These GMC ignition controllers are the ideal product, from mudding to track racing.
Install serious performance boosts onto your ride and master the track. GMC Suburban ignition control modules feature advanced digital designs to fix up your plugs' power and timing. With Auto Accessories Garage, Suburban ignition control modules come at competitive prices and always include industry leading service.