1955-1956 Ford Thunderbird Synchronizer Blocking Ring, 292 V8 with 3-Speed Manual Transmission

Please note that this ring has 3 slots in it that come unfinished to spec from our only known manufacturer. These slots fit over the synchro clips (or dogs). They will need to be measured and filed to the correct size. Measuring from the gear side to the bottom of the slot, the measurement should be approximately 0.300". The ring must be carefully supported and the slots filed to the correct height prior to being installed in the synchronizer assembly.

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