Turbosmart Introduces New Award Winning Anti-Lag Valve
November 2, 2018 News

Turbosmart Introduces New Award Winning Anti-Lag Valve

Turbosmart wins award at SEMA 2018


The ALV40 (TS-0552-1402) is designed to bring a typical high-end motorsport application to a broader market for the racing industry. It generated so much hype that the product was welcomed with two separate media awards from different publishers worldwide and the Best New Product Award for Performance Street with the Turbosmart Universal Kompact EM Blow-Off Valve.

The anti-lag valve provides a means to maintain turbine speed and eliminate lag on gear changes & deceleration. Boost pressure from the turbo is diverted around the engine on these closed throttle situations and combined with a fuel and ignition strategy (from the ECU), ensuring the turbine speed is maintained. A usable boost is ready when the throttle is opened again. The Air the turbocharger pressurises is diverted around the engine directly into the pre-turbo exhaust manifold, igniting a flame that continues to drive the turbocharger.


Chris Doumbos

Chris Doumbos, Turbosmart Head Engineer, the pioneer behind the Award Winning Universal EM BOV, explains a little about the Anti-Lag Valve.

“The fresh air valve allows for incoming fresh air to be diverted safely into the exhaust manifold, pre-turbo with the throttle closed to allow for safer spooling of the turbocharger without the potentially damaging combustion event style anti-lag that can induce high engine & turbo stresses, even break connecting rods”, states Doumbos.

“The fresh air ALS valve is a sealed twin-chamber design with the top port being the primary control port; the spring is designed to open under vacuum conditions to allow for the air to bypass into the exhaust manifold, the lower chamber for twin port control methods to control the valve irrespective of manifold pressure and shaft seal allows for the leak.”

Fresh AIr Anti-lag Valve

The all-new addition to the Turbosmart lineup is the fresh air ALV40 (Anti-Lag Valve). We feature a 40mm valve diameter, a purpose-designed actuator housing, and an inverted diaphragm and are supplied with multiple fittings for ease of fitment and fabrication.

Distributor orders can be placed from December 2018.

Here is a handy self-help guide to helping you with your Turbosmart install and answers to some of the most frequently asked questions we get here. Turbosmart recommends that you get your products fitted and tuned by a qualified technician. If you choose to install the product yourself, ensure you have all the necessary tools and technical knowledge to perform this task.

Thank you for picking up the latest Turbosmart catalogue. As we look back on 25 fantastic years of innovation and growth, we continue to look towards the future as we release some revolutionary new products that will cement our reputation as innovators and market leaders.

Please contact us here and fill out a quick form so that our team can efficiently help you!

Award-Winning Electronic Wastegates

Engineered to Win!

Surprisingly, there are no springs, no hoses, and no boost reference signal. Above all, there are no limitations associated with any of them. Gone are ‘Minimum’ boost levels associated with base spring pressure or the heat-related issues with hoses.

About Turbosmart

From our humble beginnings to establishing ourselves as a global brand, Turbosmart is well on track to lead the future in turbo technology.

Our engineers build and track-test all products in-house. Therefore, we ensure we continuously produce the highest-quality, highest-performance Turbochargers, blow-off valves, wastegates, boost controllers, fuel pressure regulators, oil pressure regulators and more. Furthermore, our products are designed and built for track and street applications.

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