Rancho RS5000X Series Shock Absorber # RS55188

This Rancho RS5000X Series Shock Absorber # RS55188 is designed for use on the 2001 - 2004 Nissan Frontier and Xterra vehicles equipped with a Torsion Bar suspension lift. If you have increased the suspension ride height on your Nissan your factory front shocks may be too short and the longer extended length of the RS55188 may be the exact shock you need to improve on and off-road performance.

The Rancho RS5000X series design includes patented progressive rebound and compression discs. At lower speeds or in the earlier stages of the shock’s travel, an eccentric disc in the valve shim stacks will engage the valving at lower frequencies, helping to control the energy of motion as the cycle of the shock increases or decreases in its action. When hitting a pothole, off-road trail obstacle or similar activity, Rancho’s Progressive Engagement Valving allows for early flow of fluid, helping to reduce harsh initial impacts and to control the flow of fluid in a progressive, gradual manner through the valving. During on- or off-road driving activities like washboarding or when travelling a rough fire road, the early flow of fluid helps to minimize a “rough” ride as the piston movement is able to glide through the initial travel motion of the shock with minimal ground impact or force. If needed, the Progressive Engagement Valving will further engage to maintain control and stability.

RS55188 Specifications:
Extended Length: 12.50" Inches
Compressed Length: 8.375" Inches
Travel: 4.125" Inches
Upper Mount: S42
Lower Mount: LS23

This Rancho RS55188 shock absorber is sold individually. To order a pair you must adjust your Order Quantity to 2. If you are unsure if this shock is correct for your application we kindly ask that you contact us before ordering.

If you have any additional questions about this or any other Rancho Suspension product please click on the "Ask A Question" link located at the very top of this page.