Synchro Ring for Porsche 356A Gears 1-4
Synchronizer Ring for 1st – 4th gears 356 models with type 519 or 644 transmission. True to original design, this ring has no molybdenum friction lining.
Replaces: 51920313 519-20-313 519.20.313 51920316 519 20 316 519-20-316