Superseded Part Number: S74905HA, 77911-03K
Interchange Part Number: S74905HA, 77911-03K
Core Charge: No
Surface Finish: NEW
UPC: Does not apply
Other Part Number: S74905HA, 77911-03K
Manufacturer Part Number: S74905HA, 77911-03K
Brand: Sonnax
Hello, If you need assistance finding a part please supply the VIN number of your NORTH AMERICAN vehicle AND the part number you are looking for.4L60, 4L60-E, 4L65-E, 4L70-E
2nd Gear Super Hold Servo Kit
Part No. 77911-03K
Sonnax 2nd gear super hold servo kit 77911-03K for GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units delivers 18% more apply area than the “Corvette” servo (largest OE). It's the perfect choice for performance applications when a larger-than-OE servo is desired, and its unique design avoids the timing flaws and excessive shock loads found in other aftermarket servos. Combine this servo kit with Sonnax 4th gear servo77767K (not included) for unmatched holding power and shift performance that's an easy in-vehicle install.
- 18% More apply area than OE "Corvette" servo
- Maximizes holding power in 2nd gear with more positive 1-2 and 2-3 shifts
- Dual seals ensure positive band apply/release and eliminate cross leaks
- Chromoly steel apply pin is longer than longest OE pin and features added seals to reduce leakage of 3rd gear pressure
- Servo and piston made from durable billet aluminum
- 2nd Gear Piston
- Separator
- Apply Pin
- D-Rings, Small (2)
- D-Rings, Large (2)
- O-Ring, Small
- O-Rings, Large (2)
- PTFE Seals (2)
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