HKS 4502-RA002 Type 1 Speed Limit Defencer SLD for 89-02 Nissan Skyline GTR

The HKS SLD (Speed Limit Defencer) is an electronic devise 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 vehicle equipped with a manual transmission and Type-2 is generally for vehicles with automatic transmission.