Sonnax Zip Kit Valve Body Rebuild 4R44E 4R55E 5R44E 4R44E-5R55E-ZIP (S56741ZK) Rebuild Kit This is necessary to prevent

This is necessary to prevent more fluid from being fed to the solenoids than they can effectively regulate and to limit what max line pressure output is

This is a GENUINE piston

Apply Plate

Interchange Part Number: S12741NK

This kit also contains one of our patent pending Accumulator Buddy brushes so no other tools or fixtures are required

Sonnax Zip Kit Valve Body Rebuild 4R44E 4R55E 5R44E 4R44E-5R55E-ZIP (S56741ZK) Rebuild Kit This is necessary to preventBrand: sonnax Type: Valve Body Manufacturer Part Number: 4R44E 5R55E ZIP Country Region of Manufacture: United States Universal Fitment: Yes Vintage Part: No Performance Part: Yes 4R44E, 4R55E, 5R44E, 5R55E Zip Kit Part No. 4R44E 5R55E ZIP Sonnax Zip Kit 4R44E 5R55E ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the Ford 4R44E, 4R55E, 5R44E and 5R55E valve bodies. The kit contains uniquely designed