OSC Ride Control Products S341267 Black Strut Assembly All Weather SV3 Fluid : By pressurizing the oil, engineers can eliminate the negative effects of cavitation; The result is better more consistent control and superior ride quality Twin Tube Design: Eliminates oil starvation at high speed and greatly reduces heat and pressure build up; The benefit is smooth and rapid recovery from impacts to the vehicles suspension system Nitrogen Gas Charged: Reduces aeration offering a greater range of control over a wider variety of road conditions as compared to non-gas units Hardened Chrome Plated Pistons and Teflon Banded Piston Seal Brackets and Mounting match OE