46mm diameter sealed steel body, converts to coilover applications *The product benefits at a glance:* * Monotube gas pressure construction * Plated for durability and rapid heat dissipation * Bilstein's famous consistent, fade-free performance * Custom valving is available * Available 4-Bar Dirt Modified Race Shock Kit Packages includes shocks, instructions and recommended set-ups * Applications: Modifieds, Late Models and Stock Cars/Hobby Stocks PartNumber : bilF4-BE5-F606-M0 Description : SLS Series - Shock Absorber Boot Included : No Collapsed Length (IN) : 15 Collapsed Length (MM) : 381 Compression @0.26m/s : 830 Extended Length (IN) : 23.52 Extended Length (MM) : 597.5 Finish : Zinc Plated Internal Design : Monotube Lower Mount Type : Eye 12.7mm Rebound @0.26m/s : 745 Series : SLS Series Title : Bilstein Shock Absorbers Upper Mount Type : Eye 12.7mm Valving Identifier : 3-3S Adjustable Damping : Non-Adjustable Body Design : Smooth Body (Non-coilover) Body Diameter (ID) : 46mm Body Material : Steel Collapsed Length (IN) : 14.88 Collapsed Length (MM) : 378 Lower Mount Type : 1/2in Heim Piston Type : Linear Upper Mount Type : 1/2in Heim California Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov Suspension::Shocks and Struts