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Seasonal Pick Supercharger Boost Control System By Smoothboost - Gm/ Factory Lt4 Supercharger Tool [rnakYCoI]

$74.99 $239.99 -69%

Revolutionize Your LT4 Supercharger with SmoothBoost Experience unparalleled control over your GM LT4 supercharger with the SmoothBoost LT4 Boost Control System. This advanced system is designed to replace the factory vacuum-based bypass valve, offer

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Revolutionize Your LT4 Supercharger with SmoothBoost

Experience unparalleled control over your GM LT4 supercharger with the SmoothBoost LT4 Boost Control System. This advanced system is designed to replace the factory vacuum-based bypass valve, offering a more reliable electronic actuator for smoother throttle response and improved tunability. With the SmoothBoost LT4 Boost Control System, you can expect a seamless driving experience, even with aggressive camshafts or high-boost setups.

Key Features and Specifications

The SmoothBoost LT4 Boost Control System utilizes a direct 0–5 V signal from the throttle position for precise bypass valve operation, eliminating vacuum-related issues like boost spikes and lag. This innovative feature ensures a linear throttle-to-power delivery, enhancing drivability and overall performance. Here are some of the standout benefits:

  • Enhanced drivability with linear throttle-to-power delivery
  • Elimination of vacuum-related issues like boost spikes and lag

Practical Uses and Integration

The SmoothBoost LT4 Boost Control System is compatible with both stock and modified LT4 systems, making it a versatile upgrade for any LT4-powered vehicle. With its bolt-on design, installation is straightforward, requiring no guesswork or complex modifications. This kit includes the SmoothBoost controller, offering a host of practical features such as the ability to dial boost down by 80% without changing pulleys, as well as boost scramble and boost kill functions for integration with track-specific electronics. Trust in the expert engineering and USA-based support team at SmoothBoost to deliver the smart upgrade your LT4-powered ride deserves.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

A very useful addition to my life.

- Richard P..

December 31, 2025

Absolutely no complaints!

This thing is awesome.

- Andrea S..

December 31, 2025

Absolutely no complaints!

Couldn't be more impressed.

- Wendy D..

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