Originally Posted by deviltrigger529

I'm about to order this kit tonight and I was curious if there are any upgrades to purchase from the get-go for the initial build to get out of the way? I've heard it uses plastic diff pins for the spider gears? Is that something that should be upgraded right away? I haven't heard much in terms of overall durability, meaning that its tough out of the box but I feel like those diff pins should be steel.