The Spicer TTC synchronizer assembly (back taper), part number 49-464-1X or 494641X, is a manual transmission synchro assembly designed for heavy-duty drivetrain applications. This back-taper synchronizer assembly handles gear engagement smoothing at the synchronizer ring interface, a critical function in maintaining clean, clash-free shifts in manual truck transmissions. Also cataloged under the Tremec brand as part number SX49-464-1X, reflecting the Tremec/Spicer TTC product relationship. Available from Pro Gear and Transmission. Not sure this is the right synchronizer for your application? Give us a call to confirm proper fit before ordering.
Features
Spicer TTC synchronizer assembly, back-taper design
Manual transmission application
Part number 49-464-1X, also listed as 494641X and SX49-464-1X
Also cataloged under the Tremec brand
Sold individually (each)
Genuine Spicer TTC part from Pro Gear and Transmission
