⚡ Lock in power, unlock performance!
The SONNAX 77767K 4th Gear Super Hold Dual Servo Kit is a precision-machined upgrade compatible with 4L60E, 4L60, 4L65E, and 4L70E transmissions from 1982 onward. Designed for superior 4th gear holding power, this plug-and-play kit requires no assembly and is proudly made in the USA, delivering reliable performance and durability for professional-grade transmission enhancement.
| Manufacturer | LANHO AUTO PARTS |
| Brand | 1409KMT |
| Model | KMT-OT001426 |
| Package Dimensions | 9.7 x 9.19 x 6.4 cm; 558 g |
| Item model number | KMT-OT001426 |
| Exterior | Machined |
| Manufacturer Part Number | KMT-OT001426 |
| Assembly Required | No |
| Manufacturer | LANHO AUTO PARTS |
| Country of Origin | USA |
| Item Weight | 558 g |
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