Introducing the all-new ZIP KIT™

The First Step in Correcting
Common Shift Problems

It's easy to restore and extend vehicle shift quality with Zip Kits. Uniquely designed Sonnax parts target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission.

No Special Tools Required

• Simple, drop-in parts require NO special tools for installation
• Will not permanently modify the valve body core

Tackles the Big Picture of Shift Problems

• Resolves critical hydraulic pressure loss caused by commonly worn components
• Extends the life of high-mileage units

Detailed Tech Booklet

• In-depth tech guide explains diagnostics and installation steps

• Identifies more Sonnax fixes for other worn areas in the valve body causing transmission problems