no O-rings
Contents Main Pressure Regulator Valve
Mounts externally on the drivers side of the transmission case
taking the guess work out of replacing solenoids
Items Included: Genuine Ford PTO Assembly
Sonnax 22771A-07K Transmission Pressure Regulator Valve Kit (Oversized) Rebuild Kit no O-ringsManufacturer Part Number: 22771A 07K Other Part Number: S22741PAK Brand: Sonnax 42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RE, 47RH, A727, A904 Oversized Lube Regulated Pressure Regulator Valve Kit Part No. 22771A 07K Original valve must match '78 later design Tooling: F 22771A TL7 VB FIX In Chrysler A727, A904, 42 46 47RH RE units (RWD '78 later with TCC), the cooler converter charge circuit is not opened until the pressure regulator valve moves far