A rocker arm assembly (10, 13, 14) for pivoting around a rocker shaft, comprising: a follower side arm (11, 21, 31), comprising: a main body (1016, 2016, 3016); a rocker shaft through-bore (1061, 2061, 3061) through the main body (1016, 2016, 3016); and a follower end (1012, 2012) comprising a latch through-bore (1019, 2019, 3019); a valve side arm (12, 22, 32), comprising: a body (1026, 2026); and a valve end (1022, 2022) extending from the body (1026, 2026); characterized in that the body (1026, 2026) is forked, the valve side arm (12, 22, 32) further comprises: a first arm extension (1025, 2025, 3025)and a second arm extension (1028, 2028, 3028)extending from the forked body (1026, 2026) and straddling the main body (1016, 2016, 3016), the first arm extension (1025, 2025, 3025) comprising a first distal end comprising a first latch pocket distal from the forked body (1026, 2026), the second arm extension (1028, 2028, 3028) comprising a second distal end comprising a second latch pocket distal from the forked body (1026, 2026), and the latch through-bore (1019, 2019) selectively aligns with the first latch pocket and the second latch pocket; and the rocker arm assembly (10, 13, 14) further comprises a latch assembly seated to selectively latch and unlatch the follower side arm (11, 21, 31) and the valve side arm (12, 22, 32). a follower side arm (11, 21, 31), comprising: a main body (1016, 2016, 3016); a rocker shaft through-bore (1061, 2061, 3061) through the main body (1016, 2016, 3016); and a follower end (1012, 2012) comprising a latch through-bore (1019, 2019, 3019); a main body (1016, 2016, 3016); a rocker shaft through-bore (1061, 2061, 3061) through the main body (1016, 2016, 3016); and a follower end (1012, 2012) comprising a latch through-bore (1019, 2019, 3019); a valve side arm (12, 22, 32), comprising: a body (1026, 2026); and a valve end (1022, 2022) extending from the body (1026, 2026); characterized in that the body (1026, 2026) is forked, the valve side arm (12, 22, 32) further comprises: a first arm extension (1025, 2025, 3025)and a second arm extension (1028, 2028, 3028)extending from the forked body (1026, 2026) and straddling the main body (1016, 2016, 3016), the first arm extension (1025, 2025, 3025) comprising a first distal end comprising a first latch pocket distal from the forked body (1026, 2026), the second arm extension (1028, 2028, 3028) comprising a second distal end comprising a second latch pocket distal from the forked body (1026, 2026), and the latch through-bore (1019, 2019) selectively aligns with the first latch pocket and the second latch pocket; and the rocker arm assembly (10, 13, 14) further comprises a latch assembly seated to selectively latch and unlatch the follower side arm (11, 21, 31) and the valve side arm (12, 22, 32). a body (1026, 2026); and a valve end (1022, 2022) extending from the body (1026, 2026); characterized in that the body (1026, 2026) is forked, the valve side arm (12, 22, 32) further comprises: a first arm extension (1025, 2025, 3025)and a second arm extension (1028, 2028, 3028)extending from the forked body (1026, 2026) and straddling the main body (1016, 2016, 3016), the first arm extension (1025, 2025, 3025) comprising a first distal end comprising a first latch pocket distal from the forked body (1026, 2026), the second arm extension (1028, 2028, 3028) comprising a second distal end comprising a second latch pocket distal from the forked body (1026, 2026), and the latch through-bore (1019, 2019) selectively aligns with the first latch pocket and the second latch pocket; and the rocker arm assembly (10, 13, 14) further comprises a latch assembly seated to selectively latch and unlatch the follower side arm (11, 21, 31) and the valve side arm (12, 22, 32). a first arm extension (1025, 2025, 3025)and a second arm extension (1028, 2028, 3028)extending from the forked body (1026, 2026) and straddling the main body (1016, 2016, 3016), the first arm extension (1025, 2025, 3025) comprising a first distal end comprising a first latch pocket distal from the forked body (1026, 2026), the second arm extension (1028, 2028, 3028) comprising a second distal end comprising a second latch pocket distal from the forked body (1026, 2026), and the latch through-bore (1019, 2019) selectively aligns with the first latch pocket and the second latch pocket; and the rocker arm assembly (10, 13, 14) further comprises a latch assembly seated to selectively latch and unlatch the follower side arm (11, 21, 31) and the valve side arm (12, 22, 32).