I didnt get the upgrade shock ,my concern was the shock travel & rebound ,the shaft itself was too short ,
an the shocks harley had any rebound under its own weight!
The 4x4 flys very well ,maybe because it is better balanced an you have the front wheel drive
torque to alter the truck in the air for your landings!..:cool:
I have a slash ,they are pretty durable out of the box ,they really dont need to many upgrades
for what a SC is suppose to be used for as they really aint met to be sent to the moon!..:thumbs-up: