Description
Product Overview
The Edelbrock TH700R4 Lockup Control Kit is engineered to take the guesswork out of managing the lock‑up function on your TH700R4 overdrive transmission. Constructed from durable painted metal, the kit features a vacuum‑controlled switch and a dedicated 4th‑gear pressure switch that operate the torque converter lock‑up solenoid with precision. Weighing only 15.7 ounces and measuring 7.5 x 2 x 12.5 inches, it fits seamlessly into the transmission bay without requiring additional modifications.
Usage
Designed for both carbureted and fuel‑injected engines, this kit is perfect for street‑driven performance cars, daily drivers, and race‑track applications. It provides smooth lock‑up engagement during cruising, enhancing fuel efficiency and reducing heat buildup in the transmission. 
Why Choose Us
Edelbrock’s reputation for quality engineering ensures that every component meets rigorous automotive standards. The kit arrives complete with all necessary hardware, eliminating the need for separate, expensive computer‑controlled equipment. Our product is backed by a solid warranty and has earned a top ranking in automotive performance transmission hard parts, reflecting its reliability and popularity among enthusiasts.
Key Features
- Vacuum‑controlled switch for precise lock‑up control
- Includes 4th‑gear pressure switch to manage torque converter solenoid
- Compatible with both carbureted and fuel‑injected engines
- Complete installation kit – no extra parts required
- Durable painted exterior for long‑term corrosion resistance
FAQ
Will this kit work on a stock TH700R4 transmission?
Yes, the kit is designed to fit any GM TH700R4 overdrive transmission, whether stock or modified.
Do I need any special tools to install the kit?
All necessary hardware is included, and standard hand tools are sufficient for installation.
Can this kit be used on a fuel‑injected engine?
Absolutely. The vacuum‑controlled design works with both carbureted and fuel‑injected powerplants.
Is there a warranty on this product?
Edelbrock provides a limited warranty covering defects in materials and workmanship.
How does the lock‑up function improve performance?
By engaging the torque converter lock‑up, the kit reduces slippage, improves fuel efficiency, and provides a more direct power transfer to the wheels.






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