Alum Shock Set Bore:11mm, Length:87mm, Oil:500cStThis Shock Set provides a pair of assembled aluminum body shock absorbers filled with high quality silicone shock oil for a fast and efficient shock upgrade for your vehicle Includes 2 x Assembled Shock Absorbers 2 x 3mm Preload Spacer 2 x 5mm Preload Spacer 2 x 7mm Preload Spacer Requires Springs such as #ARA330712 Features High quality anodized aluminum shock bodies Tough molded shock caps, shock seal cartrigdes and preload adjusters Strong 3mm