PN [FTS21276/FTS755/FTSBK21/FTS6341/FTS6019]. Part Number: K1179M. Ball Joint UCA Lift System w/Shocks. Lift; w/Front And Rear Stealth Shocks; Incl. The legendary Dirt Logic 2.25 rear shocks are constructed of a stainless steel body with NitroSteel(R) piston rod for maximum corrosion resistance and durability.