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RSO Suspension Adjustable Dual Rate Coilover Shocks with external remote reservoir provide improved suspension damping while increasing on and offroad driving comfort. They feature hand adjustable compression levels, true dual springs with a billet crossover nut allow even more tunability to dial in suspension feel. Steel 2.5in smooth bore machined alloy bodies give maximum corrosion resistance. The billet coil spring nut, and crossover nut use the threaded body for precise height and preload adjustments. The shock uses Eibach coil springs for high quality extended performance and retains tolerances throughout its life. The higher spring rates and larger body increases the load capacity fixing sagging issues from added weight due to bumpers, gear or added equipment. The secondary spring allows a custom spring rate to be dialed in giving a softer cushion at the beginning of the suspension cycle while still being able to absorb larger hits towards the bottom of the cycle. The 3/4in steel shafts and heat-treated steel spherical bearings offer strength and dependability. The external remote reservoir allows for increased oil and nitrogen capacity giving greater heat dissipation, increasing performance, and eliminating shock fade. Experience for yourself the incredible performance and precise control that RSO Suspension’s new adjustable dual rate coilover shocks deliver.