Superior K058 Adjustable Vacuum Switch Kit For Gm 700-R4 200-4R Transmissions

Superior K058 Adjustable Vacuum Switch Kit For Gm 700-R4 200-4R Transmissions

Give your transmission precise torque converter clutch control with the Superior K058 Universal Adjustable Vacuum Switch Kit. This problem-solving part is designed for 700-R4, 200-4R, Th350/C and other non-computerized GM transmissions that need reliable lock-up engagement and disengagement.

Unlike fixed factory Gm switches, the K058 features a fully adjustable vacuum trigger range of 6 to 22 inches of vacuum so you can fine-tune it to your specific engine vacuum and driving style. The switch can be wired normally open or normally closed for maximum flexibility during installation.

Whether you are building a hot rod, restoring a classic, or performing a transmission swap, this kit solves common lock-up timing issues, improves drivability, and helps deliver better fuel economy. Simple to install with standard vacuum hose and basic wiring, the Superior K058 is the trusted upgrade used by builders and performance shops nationwide.

Product Highlights

• Adjustable from 6-22 inches of vacuum
• Compatible with Gm 700-R4, 200-4R and similar transmissions
• Versatile normally open or normally closed wiring options
• Perfect for custom builds, modified engines and non-ECU setups
• Enhances performance and prevents premature or delayed lock-up

Add this essential transmission accessory to your cart today and experience smoother, more efficient operation from your GM automatic transmission.