TCI Transmission Throttle Sleeve GM 700R4/ 4L60

Upgrade your transmission's functionality and unleash its full potential with this throttle sleeve (374400). It offers a robust enhancement for your GM TH700R4 or 4L60 transmission system. This throttle sleeve offers a significant upgrade over the stock assembly. It effectively alters the downshift behavior from fourth to third gear. The sleeve holds off shifting until 85% throttle is applied for improved control. This results in better performance in scenarios requiring quick acceleration and responsiveness.

Features and Benefits:
- Premium quality construction for long-term durability
- Ensures performance retention for improved drivability
- Supports full controller modulation for better responsiveness
- Prevents part-throttle downshifts
- Designed seamlessly to replace worn stock pieces
- Hassle-free installation for DIY enthusiasts or professional mechanics

Vehicle Fitment:
- 1960-1987 Chevy C10s
- 1988-1998 Chevy C/K Trucks

Please Note: This does not fit 4L60E or 2004R transmissions.