Full Size Chevy Lock-Up Switch Kit, 700R4 & 200R4 Transmission, 1958-1972

Efficient Lockup Control. The Lock-Up Switch Kit for 700R4 & 200R4 transmissions provides a simple and effective solution to add torque converter lockup functionality without requiring a factory transmission controller. It engages lockup based on transmission pressure, enhancing fuel efficiency and reducing heat under highway driving conditions.

Durable And Precise Components. Included in the kit are a pressure switch and an inline fuse designed for dependable performance and protection. These components are engineered to endure the operational environment within the transmission system, ensuring lasting durability and consistent lockup control.

Straightforward Installation. Installation involves verifying that the transmission has a 1/4" NPT threaded 4th gear pressure port, as not all units include this port from the factory. The process requires no complex wiring or computer programming, making it manageable for experienced enthusiasts or professionals without the need for drilling.

Application. This kit is compatible with 700-R4 and 200-4R transmissions equipped with the necessary 1/4" NPT threaded 4th gear pressure port. Confirm compatibility before ordering to ensure proper fit and function.

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