HKS SLD (Speed Limit Defencer) Type1. The HKS SLD is an electronic device designed to eliminate a vehicle¡¦s factory speed limiter. When competing on the drag strip or a circuit track, the factory speed limiter can hinder a vehicle¡¦s performance. The HKS SLD is available in two versions: Type-1 is generally for vehicles equipped with a manual transmission and Type-2 is generally for vehicles with automatic transmissions.

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