Sonnax U660E-ZIP Valve Body Zip Kit for Toyota/Lexus U660E U660F Transmissions

The Sonnax U660E-ZIP Zip Kit targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the Toyota/Lexus U660E and U660F valve bodies. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control and lockup control circuits. The kit also seals multiple circuits known to suffer from end plug leakage or poor checkball sealing.

Key Features:

• Drop-in Zip Valve parts install quickly and easily, no reaming or special tools required
• Uniquely designed, drop-in Sonnax parts target the root cause of valve body complaints and stop critical circuit pressure losses
• The Zip Kit quick guide provides clear and easy instructions on one sheet to get the unit sealed up and back on the road fast
• Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair
• Technical booklet contains vacuum testing information and locations at other key areas of the valve body

This comprehensive valve body repair kit is designed to restore proper hydraulic pressure control and improve shift quality in Toyota and Lexus vehicles equipped with U660E and U660F 6-speed automatic transmissions. The kit addresses common transmission problems including shift complaints, pressure loss, and valve body wear through precision-engineered replacement components that install without modification to the valve body casting.