Delphi Power Train
Group: Delphi

2-step valve lift system
Delphi Power Train

An advanced variable valve actuation technology that changes valve lift, duration and timing when opening and closing intake and/or exhaust valves during engine operation. The Delphi 2-Step Valve Lift System is designed specifically for overhead cam engines that include hydraulic lash adjusters and roller finger followers.

Delphi's 2-Step Valve Lift System is a simplified design that provides manufacturers with a high benefit-to-cost ratio, especially when compared to other powertrain strategies.

Delphi's in-depth understanding of the combustion process and its vast research and development capabilities have enabled continuing innovation.
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