5R55W-HD2 - Ford 5R55W/5R55S 2002 -2010 Transmission Transgo Reprogramming Kit Fits Ford/Lincoln Mercury 5R55W and S 2002-2010 Note: Does not fit 5R55N Includes our exclusive better design no noise Pump Flow Control Valve assembly; New Upgraded Steel TCC/Lockup valve assembly and pump alignment tool; (2) EPC relief assemblies to protect unit from excessive and extreme high pressure; (2) High Temp Low Shrink more durable direct clutch rings. Also includes reamers, with new oversize valves and guides to bore and replace VFS1 and VFS2 mod valves. This kit is about additional performance needed in vehicles such as Street Rods/Hot Rods. Addresses Won’t Move- Pump Noise, No Lockup Hot- Code- Slip- Shudder Lockup Problems usually valve body caused, not the converter. Trouble Codes: P1740, PO732, 733, 735 Kit also contains several springs located throughout the Valve body that cause no or slow Reverse and loss of or non operation of various forward gear ranges. Installation recommendation: Experienced technician Transmission removal necessary: No