Fastrax 1.8 Ratio Transmission Set For Yokomo MR-4TC Special - FTMR25 MR4 TC SP

Fastrax 1.8 Ratio Transmission Set For Yokomo MR-4TC Special - Fatsrax FTMR25 MR4 TC SP

Fastrax 1.8 ration transmission set for the Yokomo MR-4 TC Special. Contains diff pulleys and alloy trans pulleys. Instructions included (I think there's extra bits for different versions of the MR4)