Synchrotech Carbon Rebuild Kit 89-91 (Y1/ S1)

Synchrotech Carbon Rebuild Kit 89-91 (Y1/ S1)

If you are looking for a complete rebuild kit for your B Series transmission look no further! This is the best kit available on the market! Check the details below.

Fitting: Y1 S1

Included: 1-5 Pro-Series Carbon Lined Synchros, 1-5 synchro springs, 4 shaft bearings, bearing clip, 2 axle seals, input seal, shift rod seal, and a new dust boot.