Originally Posted by gdiddy
Can the SGX gear diff be used in any other Touring car other than the HMX?
yes, they make a tamiya 37t pulley for it.
The long awaited SGX Gear Differential 37 Teeth Pulley has arrived. With this Pulley you can use the innovative Corally SGX Gear Diff on Tamiya, Hot Bodies, etc...
#79669 SGX Gear Differential 37 Teeth Pulley - incl. 4 pcs M2 x 5 PH (1 pc.)
#79674 SGX Gear Differential incl. 37T Pulley - For Tamiya ao. (1 set)
it won't provide a direct link but its on www.corally.com