MSD - Adjustable Timing Control Air Intake Pipe - Modular

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MSD - Adjustable Timing Control Air Intake Pipe - ModularA dash mounted control knob allows you to adjust the ignition timing to compensate for changes in altitude, low octane gas, or heavy loads. For cars driven every day but raced occasionally on the weekends, this control is perfect. Increased fuel mileage and performance are just some of the benefits as the ignition timing can be advanced or retarded to prevent engine detonation.