GM 4L60 700R4 4L60E Transmission 2nd Gear Corvette Servo Kit Sonnax 77701-04K

Brand: Sonnax Type: Performance Servo Kit Interchange Part Number: S74905BK  Manufacturer Warranty: Unspecified Length Fitment Type: Direct Replacement Items Included: Piston, Housing, D-rings, Housing O-ring Manufacturer Part Number: 77733-02K Surface Finish: New  Drive Type: 4WD,AWD,RWD Material: Aluminum Performance Part: Yes 700R4 4L60 4L60E Transmission 2nd Gear "Corvette" Ratio Servo KitPart No. 77701-04K fits all 700R4/4L60/E Models 1982-up 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 in 4L60 (700-R4) and 4L60-E transmissions. 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 Contents: Piston Piston D-Rings (2) Housing Hous