A system for actuating one or more engine valves, comprising: two exhaust valves (810, 820); an exhaust valve bridge extending between the two exhaust valves (810, 820), said exhaust valve bridge having a central opening extending through the exhaust valve bridge, a recess formed along the central opening, and a side opening extending through a first end of the exhaust valve bridge; an exhaust side sliding pin disposed in the exhaust valve bridge side opening, said exhaust side sliding pin contacting one of said two exhaust valves (810, 820); characterized by an exhaust side outer plunger slidably disposed in the exhaust valve bridge central opening, said exhaust side outer plunger having an interior bore defining an exhaust side outer plunger side wall and bottom wall, and a side opening extending through the exhaust side outer plunger side wall; an exhaust side inner plunger slidably disposed in the exhaust side outer plunger interior bore, said exhaust side inner plunger having a recess formed therein; an exhaust side inner plunger spring disposed between the exhaust side inner plunger and the exhaust side outer plunger bottom wall; an exhaust side outer plunger spring disposed below the exhaust side outer plunger bottom wall; an exhaust side wedge roller or ball disposed in the outer plunger side opening; a main exhaust rocker arm disposed above the exhaust side outer plunger and including means for supplying hydraulic fluid to the exhaust side outer plunger interior bore; and a means for actuating one of said two exhaust valves (810, 820), wherein said means for actuating are adapted to contact the exhaust side sliding pin. two exhaust valves (810, 820); an exhaust valve bridge extending between the two exhaust valves (810, 820), said exhaust valve bridge having a central opening extending through the exhaust valve bridge, a recess formed along the central opening, and a side opening extending through a first end of the exhaust valve bridge; an exhaust side sliding pin disposed in the exhaust valve bridge side opening, said exhaust side sliding pin contacting one of said two exhaust valves (810, 820); characterized by an exhaust side outer plunger slidably disposed in the exhaust valve bridge central opening, said exhaust side outer plunger having an interior bore defining an exhaust side outer plunger side wall and bottom wall, and a side opening extending through the exhaust side outer plunger side wall; an exhaust side inner plunger slidably disposed in the exhaust side outer plunger interior bore, said exhaust side inner plunger having a recess formed therein; an exhaust side inner plunger spring disposed between the exhaust side inner plunger and the exhaust side outer plunger bottom wall; an exhaust side outer plunger spring disposed below the exhaust side outer plunger bottom wall; an exhaust side wedge roller or ball disposed in the outer plunger side opening; a main exhaust rocker arm disposed above the exhaust side outer plunger and including means for supplying hydraulic fluid to the exhaust side outer plunger interior bore; and a means for actuating one of said two exhaust valves (810, 820), wherein said means for actuating are adapted to contact the exhaust side sliding pin.