These gear diff out drives are made using 4140 tool steel. hardened and black anodized. These parts have proven to last much longer than stock parts.
It is important to note: This drive cup can be broken if you don't have your droop settings correct.
After installing, check your droop settings to make sure the out drive cannot hit the front of the cup.
Also, guys will change the rod ends. check your up travel to make sure the out drive cannot hit the cup as we did have 1 cup broken because the not using the correct length rod end. If you have this issue, You can add a 4mm id plastic spacer between the rod end and the shock body.
2 per pk.