party_wagon

iTrader: (29)

Are there any parts besides the longer hexes, longer chassis, black axles, & super big bores that you would need to convert a ST-R to an RR?

smokinu

iTrader: (82)

not really

other then longer rear chassis brace
your set.

zixxer

iTrader: (61)

http://www.ultimatehobbies.com/istar...OISW100US!1012

the_winner

Longer chassis,smaller diameter axle(dogbones) and lighter, better material at the diff gears(cromoly) ,Big Bore suspensions and 14mm offset at the hubs