Air can and damper service kits for Specialized AFR rear air shocks, Brain or no brain \n Includes upgraded nitrogen chamber plug (needle tool is required to fill the nitrogen chamber) \n Includes three main PTFE backup rings, one for air can, two for air piston \n Also includes Schrader valve core rated to 800 PSI, while the stock valve core is only rated to 350 psi \n Made in and imported from Ukraine