Rocker arm - P9010 / 356 A 1300 (506/2) 1955-57 / 356 A 1300 S (589/2) 1955-57 / 356 A 1600 (616/1 T2) 1957-59 / 356 A 1600 (616/1) 1955-57 / 356 A 1600 S (616/2 T2) 1957-59 / 356 A 1600 S (616/2) 1955-57 / 356 B T5 1600 (616/1 T5) 1959-61 / 356 B T6 1600 (616/1 T6) 1961-63 / 356 Pré-A 1300 (506/2) 1954-55 / 356 Pré-A 1300 S (589/2) 1954-55 / 356 Pré-A 1500 (546/2) 1954-55 / 356 Pré-A 1500 S (528/2) 1954-55