The Brian Crower Stage 3 exhaust camshaft for the Mitsubishi 4B11T Evolution X is specified as a performance exhaust-only camshaft with a 280 profile. It is intended for use where an upgraded exhaust lobe is required to alter exhaust timing and flow characteristics on the 4B11T platform and is offered as a camshaft service part for that application.
Brian Crower Mitsubishi 4B11T Evolution X Camshafts - Stage 3 - 280 Spec (EXHAUST ONLY)