Sonnax 8L45-8L90-TCC-ZIP, 8L45 / 8L90 TCC Zip Kit®

Sonnax TCC Zip Kit 8L45-8L90-TCC-ZIP targets the root cause of multiple converter-related complaints by sealing the critical circuit pressure losses in the GM 8L45 and 8L90 valve body. The kit contains uniquely designed parts to prevent the loss of pressures within the lube, converter limit, line pressure and converter apply circuits. These solutions target wear that results in lube-, cooler- and converter-related complaints. No special tools are required for installing these parts.

To quickly and easily seal up and get the Zip Kit unit back on the road, follow the clear and easy instructions provided in the one-sheet quick guide. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing information and locations at other key areas of the valve body.

• Drop-in Zip Valve^™ parts install quickly and easily, no reaming or special tools required
• Uniquely designed parts address root causes of converter and lube related complaints by sealing critical pressure circuits
• Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair