Tenneco has introduced a new stroke dependent damping (SDD) add-on valve, the Monroe RideRefine SDD valve, which aims to bring new levels of versatility, tunability, and comfort to passive damper performance. The SDD valve reduces damping levels during short strokes of the unit’s internal piston, enhancing comfort and reducing noise, vibration, and harshness. This valve works with Monroe OE Solutions main valve technologies to deliver comfort and control characteristics. The tunability of the SDD valve enables vehicle manufacturers to select the ideal comfort profile for short piston strokes in each vehicle model. The RideRefine SDD valve is part of Tenneco’s effort to improve passive damper performance and provide a feeling of luxury and plushness to the ride experience.