T4 3-4 Synchro

T4 (4 Speed), T5 (5 Speed), 3-4 Synchro Assembly (1352-590-012)

T4 (4 Speed), T5 (5 Speed), 3-4 Synchro Key & Spring Kit w/ no wings (T4-K3)

T4 (4 Speed), T5 (5 Speed), 5th Synchro Assembly (1352-590-001)

M5R1, 3-4 Synchro Assembly (Complete) (M5R1-2.5A)

NV5600, 3-4 Synchro Assembly (22799)