2nd Gear "Corvette" Ratio Servo Kit
- Piston D-Rings (2)
- Housing O-Ring
Sonnax 2nd gear "Corvette" ratio servo kit 77701-04K provides increased apply area resulting in improved holding power for firmer 1-2 and 3-4 shifts. The servo piston features D-rings in place of the OE seal rings for improved sealing during apply and release. This kit is compatible with Sonnax 4th gear Super Hold dual servo kit 77767K.
- Upgrade used for high performance or heavy-duty towing applications
- Improved D-ring sealing configuration