I could only begin to give you a list of mods so far:
upgraded aluminum center driveline pulleys
spring loaded diffs (no more oils)
ofna adjustable engine mounts
teflon clutch shoes
jp mod .12 mt
3mm upper deck with brace
front graphite shock tower
threaded aluminum shocks
megatech bearing steering rack system
3 mm chassis
rcscrews
rpm ball cups
ofna two speed gearing
front and side belt tensioners
cvds
5.5 mm belts
sealed bearings everywhere
Who knows what else?
