6R60 6R80 ZF6HP19 ZF6HP26 ZF6HP32 Trans Valve Body Rebuild Kit Sonnax Zip Kit This kit includes: pressure regulator sleeve,clutch a control boost valve kit,o-ringed internal end plug kit,o-ringed end plug kit, accumulator piston kits (6) ,replacement solenoid o-rings 31 various pieces, testing spring, testing end plug Sonnax zip kit ZF6-6R60-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the ZF6HP19/26/32 (generation 1) and Ford 6R60/6R80 valve bodies. No reaming required installs quickly with no special tools required. Uniquely designed parts address root causes of valve body complaints by sealing critical pressure circuits. Detailed technical booklet included with in-depth rebuild