Product Description
New Sonnax 77767K "Super-Hold" 4th. Gear Servo Piston For 700 - 7R4 - 4L60 - 4L60E - 4L65E - 4L70E 1982-On.
This Is A New Sonnax "Super-hold" 4th Gear Servo Piston.
This Piston Will Fit These Automatic Transmissions;
GMC Chevy Cadillac Oldsmobile Pontiac
- 700 - 7R4 - 700R4 - 7004R
- 4L60
- 4L60E - 4L60-E
- 4L65E - 4L65 - 4L65-E
- 4L70E - 4L70 - 4L70-E
This Listing Is For (1) One Servo Piston Kit That Comes With These Items;
New Sonnax "Super-hold" 4th Gear Dual Piston Servo Assembly.
New Steel Washer.
New O'ring (Black Or Blue)
Features & Benefits
• 40% More Surface Area For Greater Holding Power
• Affects 4th Gear Only
• Can Be Used With OEM, Corvette Or Sonnax Performance 2nd Gear Servo Assemblies
• Easy To Install: Transmission Removal Is Not Required
Part Summary:
Vehicles With A 4L60 Or 4L60E Family Transmission Often Exhibit Poor 3-4 Shift Quality And Experience Band Failure In Performance Applications. The Sonnax "Super Hold" 4th Gear Servo Features 40% More Apply Surface Area For Greater Holding Power.
These Are The Servos The Professionals Use. Don't Settle For Less.