Chevrolet Performance Torque Converter Lock-Up Kits
Transmission Performance Kit, 4L60/700R4, Computer Controlled, Non-Computer Controlled, Kit
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Estimated Ship Date from Texas: Monday 10/19/2026 Would you rather pick it up?
Overview
Chevrolet Performance Torque Converter Lock-Up Kits
Listen up, performance enthusiasts—if you prefer automatics, you'll be interested in these torque converter lock-up kits from Chevrolet Performance. They're designed to adapt the 4L60 or 700R4 transmissions (non-electric version) in early-model GM vehicles. These transmission performance kits include a throttle valve spring for carbureted engines, a normally closed fourth gear clutch switch, a wiring connector for the torque converter, and an instruction sheet to facilitate the installation.
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