Four CSI RS-12 Gas Adjustable shocks just rebuilt with Zero Races since. Our enlarged gas chamber allows for minimal gas gain providing enhanced grip in the slickest of track conditions. Features include a tuned base valve assembly, CSI Gold coated shaft, low drag seals, and a modified body cap for better torsion arm clearance. This shock comes with our light weight billet adjuster handle and cable. Each Shock has a Carbon Fiber cover included. Save Money: $1,650 for all four. Garrett says they are worth it; just ask him.. email petegulick@yahoo.com or call 607-621-2450.