Supercharger Boost Control System by SmoothBoost - GM/ Factory LT4 SuperchargerLT4 Boost Control System SmoothBoost Active Bypass Unlock precision control over your GM LT4 supercharger with the SmoothBoost LT4 Boost Control System. Designed to replace the factory vacuum based bypass valve with a reliable electronic actuator, this system delivers smoother throttle response, improved tunability, and smoother driveabilityeven with aggressive cams or big boost setups. This boost control system uses a direct 05 V signal from throttle
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Supercharger Boost Control System by SmoothBoost - GM/ Factory LT4 Supercharger