Here's the link... TM and K-Kactory got alot of good things for the G4S... Upgrades that work... Quick release hubs, new tranny and interal gear ratio upgrade just to name a few... They are forward thinking the car the right way...02
http://www.kfactoryracing.com/produc...4123&pageNum=1
http://www.kfactoryracing.com/production.jsp?id=K14122
http://www.kfactoryracing.com/produc...4124&pageNum=1
RC_Alan