Synchro Ring prevents the gears from grinding or clashing during engagement. As soon as the Synchro Ring begins to wear the gears start to mesh at different speeds resulting in gear grinding.
Synchro Rings should be replaced as soon as the gears start to grind or clash.
Failure to do so will result in damage to the gears, synchro sleeves and hubs.
Replace Synchro Rings during the transmission overhaul for a worry free rebuild.
ATC have a large range of O.E.M Synchro Rings to suit popular passenger and 4WD vehicles, including: