MIVEC
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Mitsubishi Innovative Valve-timing-and-lift Electronic Control system (MIVEC) is an automobile variable valve timing technology developed by Mitsubishi Motors. MIVEC varies the lift of valves by using two different camshaft profiles. It is similar to Honda's VTEC system, but differs from it in the fact that the MIVEC system activates at a lower RPM and has a slightly more conservative cam grind, allowing the transition to appear more subtle at the cost of higher RPM performance. A more limited MIVEC system in the Lancer Evolution controls only valve timing, not lift.