T-45, 3-4 Synchro Ring

T45, 3-4 Synchro Assembly  

T45 & T56 3-4 Synchro Key & Spring Kit (T56-K3)

NP535, NV2500 Standard Manual 3-4 Synchronizer Blocker Ring. Approximate size: 81.23od x 61.50id (at the narrowest point) x 9.51h mm.

FS5W71C Synchronizer Synchronizer Ring 70.45 x 58.10 x 8.90 mm (P)

M5R1, 3-4 Synchro Assembly Snap Ring (M5R1-127)