The All New Rubicon Express 36Mm Monotube Steering Stabilizer Is The Ideal Bolt On Replacement For Your Jeep Wrangler JK Oe Unit. It Features A Monotube Gas Pressure Design That Eliminates Foaming And Cavitation. Designed To Aid In Reducing Steering Vibration And Wear And Tear Of Your Steering Components. The Finish Features A Durable Powder Coat Finish To Resist SCRatches And Corrosion.